744 lines
31 KiB
JSON
744 lines
31 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-87866",
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"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
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"state": "PUBLISHED",
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"assignerShortName": "curl",
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"dateReserved": "2026-09-09T13:17:42.764Z",
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"datePublished": "2026-10-20T20:16:30.866Z",
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"dateUpdated": "2026-10-29T18:59:00.981Z"
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},
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"containers": {
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"cna": {
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"title": "wolfSSL public-key pinning bypass",
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"descriptions": [
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{
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"lang": "en",
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"value": "When built with wolfSSL, curl can successfully validate a pinned public key\nhash against a key the TLS peer does not possess. During the TLS handshake,\nwolfSSL validates the connection, but curl's subsequent re-parsing of the same\ncertificate - tricked by a manipulated validity length field - extracts and\nmatches a different embedded key, incorrectly authorizing the pinned public\nkey."
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}
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],
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"providerMetadata": {
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"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
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"shortName": "curl",
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"dateUpdated": "2026-10-20T20:16:30.866Z"
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},
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"description": "CWE-295 Improper Certificate Validation"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "curl",
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"product": "curl",
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"versions": [
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{
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"version": "8.22.0",
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"status": "affected",
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"lessThanOrEqual": "8.22.0",
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"versionType": "semver"
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},
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{
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"version": "8.21.0",
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"status": "affected",
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"lessThanOrEqual": "8.21.0",
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"versionType": "semver"
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},
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{
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"version": "8.20.0",
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"status": "affected",
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"lessThanOrEqual": "8.20.0",
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"versionType": "semver"
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},
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{
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"version": "8.19.0",
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"status": "affected",
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"lessThanOrEqual": "8.19.0",
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"versionType": "semver"
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},
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{
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"version": "8.18.0",
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"status": "affected",
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"lessThanOrEqual": "8.18.0",
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"versionType": "semver"
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},
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{
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"version": "8.17.0",
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"status": "affected",
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"lessThanOrEqual": "8.17.0",
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"versionType": "semver"
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},
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{
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"version": "8.16.0",
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"status": "affected",
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"lessThanOrEqual": "8.16.0",
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"versionType": "semver"
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},
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{
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"version": "8.15.0",
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"status": "affected",
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"lessThanOrEqual": "8.15.0",
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"versionType": "semver"
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},
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{
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"version": "8.14.1",
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"status": "affected",
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"lessThanOrEqual": "8.14.1",
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"versionType": "semver"
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},
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{
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"version": "8.14.0",
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"status": "affected",
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"lessThanOrEqual": "8.14.0",
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"versionType": "semver"
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},
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{
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"version": "8.13.0",
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"status": "affected",
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"lessThanOrEqual": "8.13.0",
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"versionType": "semver"
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},
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{
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"version": "8.12.1",
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"status": "affected",
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"lessThanOrEqual": "8.12.1",
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"versionType": "semver"
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},
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{
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"version": "8.12.0",
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"status": "affected",
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"lessThanOrEqual": "8.12.0",
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"versionType": "semver"
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},
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{
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"version": "8.11.1",
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"status": "affected",
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"lessThanOrEqual": "8.11.1",
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"versionType": "semver"
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},
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{
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"version": "8.11.0",
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"status": "affected",
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"lessThanOrEqual": "8.11.0",
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"versionType": "semver"
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},
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{
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"version": "8.10.1",
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"status": "affected",
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"lessThanOrEqual": "8.10.1",
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"versionType": "semver"
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},
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{
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"version": "8.10.0",
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"status": "affected",
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"lessThanOrEqual": "8.10.0",
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"versionType": "semver"
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},
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{
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"version": "8.9.1",
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"status": "affected",
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"lessThanOrEqual": "8.9.1",
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"versionType": "semver"
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},
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{
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"version": "8.9.0",
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"status": "affected",
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"lessThanOrEqual": "8.9.0",
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"versionType": "semver"
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},
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{
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"version": "8.8.0",
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"status": "affected",
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"lessThanOrEqual": "8.8.0",
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"versionType": "semver"
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},
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{
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"version": "8.7.1",
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"status": "affected",
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"lessThanOrEqual": "8.7.1",
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"versionType": "semver"
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},
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{
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"version": "8.7.0",
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"status": "affected",
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"lessThanOrEqual": "8.7.0",
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"versionType": "semver"
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},
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{
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"version": "8.6.0",
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"status": "affected",
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"lessThanOrEqual": "8.6.0",
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"versionType": "semver"
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},
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{
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"version": "8.5.0",
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"status": "affected",
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"lessThanOrEqual": "8.5.0",
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"versionType": "semver"
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},
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{
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"version": "8.4.0",
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"status": "affected",
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"lessThanOrEqual": "8.4.0",
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"versionType": "semver"
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},
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{
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"version": "8.3.0",
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"status": "affected",
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"lessThanOrEqual": "8.3.0",
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"versionType": "semver"
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},
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{
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"version": "8.2.1",
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"status": "affected",
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"lessThanOrEqual": "8.2.1",
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"versionType": "semver"
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},
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{
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"version": "8.2.0",
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"status": "affected",
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"lessThanOrEqual": "8.2.0",
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"versionType": "semver"
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},
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{
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"version": "8.1.2",
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"status": "affected",
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"lessThanOrEqual": "8.1.2",
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"versionType": "semver"
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},
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{
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"version": "8.1.1",
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"status": "affected",
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"lessThanOrEqual": "8.1.1",
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"versionType": "semver"
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},
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{
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"version": "8.1.0",
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"status": "affected",
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"lessThanOrEqual": "8.1.0",
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"versionType": "semver"
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},
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{
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"version": "8.0.1",
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"status": "affected",
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"lessThanOrEqual": "8.0.1",
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"versionType": "semver"
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},
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{
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"version": "8.0.0",
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"status": "affected",
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"lessThanOrEqual": "8.0.0",
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"versionType": "semver"
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},
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{
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"version": "7.88.1",
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"status": "affected",
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"lessThanOrEqual": "7.88.1",
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"versionType": "semver"
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},
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{
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"version": "7.88.0",
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"status": "affected",
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"lessThanOrEqual": "7.88.0",
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"versionType": "semver"
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},
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{
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"version": "7.87.0",
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"status": "affected",
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"lessThanOrEqual": "7.87.0",
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"versionType": "semver"
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},
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{
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"version": "7.86.0",
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"status": "affected",
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"lessThanOrEqual": "7.86.0",
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"versionType": "semver"
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},
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{
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"version": "7.85.0",
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"status": "affected",
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"lessThanOrEqual": "7.85.0",
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"versionType": "semver"
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},
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{
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"version": "7.84.0",
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"status": "affected",
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"lessThanOrEqual": "7.84.0",
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"versionType": "semver"
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},
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{
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"version": "7.83.1",
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"status": "affected",
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"lessThanOrEqual": "7.83.1",
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"versionType": "semver"
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},
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{
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"version": "7.83.0",
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"status": "affected",
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"lessThanOrEqual": "7.83.0",
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"versionType": "semver"
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},
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{
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"version": "7.82.0",
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"status": "affected",
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"lessThanOrEqual": "7.82.0",
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"versionType": "semver"
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},
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{
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"version": "7.81.0",
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"status": "affected",
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"lessThanOrEqual": "7.81.0",
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"versionType": "semver"
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},
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{
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"version": "7.80.0",
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"status": "affected",
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"lessThanOrEqual": "7.80.0",
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"versionType": "semver"
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},
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{
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"version": "7.79.1",
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"status": "affected",
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"lessThanOrEqual": "7.79.1",
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"versionType": "semver"
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},
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{
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"version": "7.79.0",
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"status": "affected",
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"lessThanOrEqual": "7.79.0",
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"versionType": "semver"
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},
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{
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"version": "7.78.0",
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"status": "affected",
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"lessThanOrEqual": "7.78.0",
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"versionType": "semver"
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},
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{
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"version": "7.77.0",
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"status": "affected",
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"lessThanOrEqual": "7.77.0",
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"versionType": "semver"
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},
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{
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"version": "7.76.1",
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"status": "affected",
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"lessThanOrEqual": "7.76.1",
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"versionType": "semver"
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},
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{
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"version": "7.76.0",
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"status": "affected",
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"lessThanOrEqual": "7.76.0",
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"versionType": "semver"
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},
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{
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"version": "7.75.0",
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"status": "affected",
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"lessThanOrEqual": "7.75.0",
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"versionType": "semver"
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},
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{
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"version": "7.74.0",
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"status": "affected",
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"lessThanOrEqual": "7.74.0",
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"versionType": "semver"
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},
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{
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"version": "7.73.0",
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"status": "affected",
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"lessThanOrEqual": "7.73.0",
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"versionType": "semver"
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},
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{
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"version": "7.72.0",
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"status": "affected",
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"lessThanOrEqual": "7.72.0",
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"versionType": "semver"
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},
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{
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"version": "7.71.1",
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"status": "affected",
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"lessThanOrEqual": "7.71.1",
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"versionType": "semver"
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},
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{
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"version": "7.71.0",
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"status": "affected",
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"lessThanOrEqual": "7.71.0",
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"versionType": "semver"
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},
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{
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"version": "7.70.0",
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"status": "affected",
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"lessThanOrEqual": "7.70.0",
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"versionType": "semver"
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},
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{
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"version": "7.69.1",
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"status": "affected",
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"lessThanOrEqual": "7.69.1",
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"versionType": "semver"
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},
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{
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"version": "7.69.0",
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"status": "affected",
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"lessThanOrEqual": "7.69.0",
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"versionType": "semver"
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},
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{
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"version": "7.68.0",
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"status": "affected",
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"lessThanOrEqual": "7.68.0",
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"versionType": "semver"
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},
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{
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"version": "7.67.0",
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"status": "affected",
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"lessThanOrEqual": "7.67.0",
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"versionType": "semver"
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},
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{
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"version": "7.66.0",
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"status": "affected",
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"lessThanOrEqual": "7.66.0",
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"versionType": "semver"
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},
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{
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"version": "7.65.3",
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"status": "affected",
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"lessThanOrEqual": "7.65.3",
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"versionType": "semver"
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},
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{
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"version": "7.65.2",
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"status": "affected",
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"lessThanOrEqual": "7.65.2",
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"versionType": "semver"
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},
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{
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"version": "7.65.1",
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"status": "affected",
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"lessThanOrEqual": "7.65.1",
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"versionType": "semver"
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},
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{
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"version": "7.65.0",
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"status": "affected",
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"lessThanOrEqual": "7.65.0",
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"versionType": "semver"
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},
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{
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"version": "7.64.1",
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"status": "affected",
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"lessThanOrEqual": "7.64.1",
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"versionType": "semver"
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},
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{
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"version": "7.64.0",
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"status": "affected",
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"lessThanOrEqual": "7.64.0",
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"versionType": "semver"
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},
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{
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"version": "7.63.0",
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"status": "affected",
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"lessThanOrEqual": "7.63.0",
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"versionType": "semver"
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},
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{
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"version": "7.62.0",
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"status": "affected",
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"lessThanOrEqual": "7.62.0",
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"versionType": "semver"
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},
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{
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"version": "7.61.1",
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"status": "affected",
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"lessThanOrEqual": "7.61.1",
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"versionType": "semver"
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},
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{
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"version": "7.61.0",
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"status": "affected",
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"lessThanOrEqual": "7.61.0",
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"versionType": "semver"
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},
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{
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"version": "7.60.0",
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"status": "affected",
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"lessThanOrEqual": "7.60.0",
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"versionType": "semver"
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},
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{
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"version": "7.59.0",
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"status": "affected",
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"lessThanOrEqual": "7.59.0",
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"versionType": "semver"
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},
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{
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"version": "7.58.0",
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"status": "affected",
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"lessThanOrEqual": "7.58.0",
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"versionType": "semver"
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},
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{
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"version": "7.57.0",
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"status": "affected",
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"lessThanOrEqual": "7.57.0",
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"versionType": "semver"
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},
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{
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"version": "7.56.1",
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"status": "affected",
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"lessThanOrEqual": "7.56.1",
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"versionType": "semver"
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},
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{
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"version": "7.56.0",
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"status": "affected",
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"lessThanOrEqual": "7.56.0",
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"versionType": "semver"
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},
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{
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"version": "7.55.1",
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"status": "affected",
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"lessThanOrEqual": "7.55.1",
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"versionType": "semver"
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},
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{
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"version": "7.55.0",
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"status": "affected",
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"lessThanOrEqual": "7.55.0",
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"versionType": "semver"
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},
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{
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"version": "7.54.1",
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"status": "affected",
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"lessThanOrEqual": "7.54.1",
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"versionType": "semver"
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},
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{
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"version": "7.54.0",
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"status": "affected",
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"lessThanOrEqual": "7.54.0",
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"versionType": "semver"
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},
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{
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"version": "7.53.1",
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"status": "affected",
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"lessThanOrEqual": "7.53.1",
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"versionType": "semver"
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},
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{
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"version": "7.53.0",
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"status": "affected",
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"lessThanOrEqual": "7.53.0",
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"versionType": "semver"
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},
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{
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"version": "7.52.1",
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"status": "affected",
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"lessThanOrEqual": "7.52.1",
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"versionType": "semver"
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},
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{
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"version": "7.52.0",
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"status": "affected",
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"lessThanOrEqual": "7.52.0",
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"versionType": "semver"
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},
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{
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"version": "7.51.0",
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"status": "affected",
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"lessThanOrEqual": "7.51.0",
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"versionType": "semver"
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},
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{
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"version": "7.50.3",
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"status": "affected",
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"lessThanOrEqual": "7.50.3",
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"versionType": "semver"
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},
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{
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"version": "7.50.2",
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"status": "affected",
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"lessThanOrEqual": "7.50.2",
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"versionType": "semver"
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},
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{
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"version": "7.50.1",
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"status": "affected",
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"lessThanOrEqual": "7.50.1",
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"versionType": "semver"
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},
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{
|
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"version": "7.50.0",
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"status": "affected",
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"lessThanOrEqual": "7.50.0",
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"versionType": "semver"
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},
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{
|
|
"version": "7.49.1",
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"status": "affected",
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"lessThanOrEqual": "7.49.1",
|
|
"versionType": "semver"
|
|
},
|
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{
|
|
"version": "7.49.0",
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"status": "affected",
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"lessThanOrEqual": "7.49.0",
|
|
"versionType": "semver"
|
|
},
|
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{
|
|
"version": "7.48.0",
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"status": "affected",
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"lessThanOrEqual": "7.48.0",
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|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "7.47.1",
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"status": "affected",
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"lessThanOrEqual": "7.47.1",
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|
"versionType": "semver"
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},
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{
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"version": "7.47.0",
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"status": "affected",
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"lessThanOrEqual": "7.47.0",
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|
"versionType": "semver"
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},
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{
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"version": "7.46.0",
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"status": "affected",
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"lessThanOrEqual": "7.46.0",
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|
"versionType": "semver"
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},
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{
|
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"version": "7.45.0",
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"status": "affected",
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"lessThanOrEqual": "7.45.0",
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|
"versionType": "semver"
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},
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{
|
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"version": "7.44.0",
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"status": "affected",
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"lessThanOrEqual": "7.44.0",
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|
"versionType": "semver"
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},
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{
|
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"version": "7.43.0",
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"status": "affected",
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"lessThanOrEqual": "7.43.0",
|
|
"versionType": "semver"
|
|
}
|
|
],
|
|
"defaultStatus": "unaffected"
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://curl.se/docs/CVE-2026-87866.json",
|
|
"name": "json"
|
|
},
|
|
{
|
|
"url": "https://curl.se/docs/CVE-2026-87866.html",
|
|
"name": "www"
|
|
},
|
|
{
|
|
"url": "https://hackerone.com/reports/3989514",
|
|
"name": "issue"
|
|
}
|
|
],
|
|
"credits": [
|
|
{
|
|
"lang": "en",
|
|
"value": "Muhamad Arga Reksapati",
|
|
"type": "finder"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "Stefan Eissing",
|
|
"type": "remediation developer"
|
|
}
|
|
]
|
|
},
|
|
"adp": [
|
|
{
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"type": "CWE",
|
|
"cweId": "CWE-295",
|
|
"lang": "en",
|
|
"description": "CWE-295 Improper Certificate Validation"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://hackerone.com/reports/3989514",
|
|
"tags": [
|
|
"exploit"
|
|
]
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"cvssV3_1": {
|
|
"scope": "UNCHANGED",
|
|
"version": "3.1",
|
|
"baseScore": 9.1,
|
|
"attackVector": "NETWORK",
|
|
"baseSeverity": "CRITICAL",
|
|
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
|
|
"integrityImpact": "HIGH",
|
|
"userInteraction": "NONE",
|
|
"attackComplexity": "LOW",
|
|
"availabilityImpact": "NONE",
|
|
"privilegesRequired": "NONE",
|
|
"confidentialityImpact": "HIGH"
|
|
}
|
|
},
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-10-29T18:58:30.759022Z",
|
|
"id": "CVE-2026-87866",
|
|
"options": [
|
|
{
|
|
"Exploitation": "poc"
|
|
},
|
|
{
|
|
"Automatable": "yes"
|
|
},
|
|
{
|
|
"Technical Impact": "total"
|
|
}
|
|
],
|
|
"role": "CISA Coordinator",
|
|
"version": "2.0.3"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-10-29T18:59:00.981Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |