163 lines
6.4 KiB
JSON
163 lines
6.4 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-2026-47857",
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"assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
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"state": "PUBLISHED",
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"assignerShortName": "vmware",
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"dateReserved": "2026-05-20T10:00:55.156Z",
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"datePublished": "2026-08-26T23:28:44.743Z",
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"dateUpdated": "2026-08-27T15:07:38.775Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
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"shortName": "vmware",
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"dateUpdated": "2026-08-26T23:28:44.743Z"
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},
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"title": "Reactor Core windowTimeout fair-backpressure stream hang due to 20-bit index wrap-around",
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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-190 Integer Overflow or Wraparound",
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"type": "CWE"
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}
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]
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}
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],
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"impacts": [
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{
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"descriptions": [
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{
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"lang": "en",
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"value": "In Reactor Core, applications that use the Flux.windowTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service (DoS) condition."
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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": "Spring",
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"product": "Reactor Core",
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"versions": [
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{
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"status": "affected",
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"version": "3.8.0",
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"lessThanOrEqual": "3.8.6",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "3.5.0",
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"lessThanOrEqual": "3.7.19",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "0",
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"lessThanOrEqual": "3.4.41",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "In Reactor Core, applications that use the Flux.windowTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service (DoS) condition.\nReactor Core 3.8.0 - 3.8.6\nReactor Core 3.5.0 - 3.7.19\nReactor Core 3.4.41 and earlier",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>In Reactor Core, applications that use the Flux.windowTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service (DoS) condition.</p><p>Reactor Core 3.8.0 - 3.8.6<br/>Reactor Core 3.5.0 - 3.7.19<br/>Reactor Core 3.4.41 and earlier</p>"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://spring.io/security/cve-2026-47857"
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"baseScore": 5.9,
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"baseSeverity": "MEDIUM",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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}
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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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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"type": "CWE",
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"cweId": "CWE-190",
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"lang": "en",
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"description": "CWE-190 Integer Overflow or Wraparound"
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}
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-08-27T15:07:04.132397Z",
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"id": "CVE-2026-47857",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-08-27T15:07:38.775Z"
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}
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}
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]
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}
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} |