241 lines
9.7 KiB
JSON
241 lines
9.7 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-2026-11352",
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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": "2026-06-05T11:23:43.389Z",
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"datePublished": "2026-07-03T06:12:10.777Z",
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"dateUpdated": "2026-09-15T06:02:38.244Z"
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},
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"containers": {
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"cna": {
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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": "2026-09-15T06:02:38.244Z"
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},
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"title": "QUIC zero-length UDP datagrams busy-loop",
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"descriptions": [
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{
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"lang": "en",
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"value": "An issue in curl’s QUIC UDP receive function allows a malicious HTTP/3 server\nto trigger a remote denial of service against a curl or libcurl client.\nBecause the helper function discards zero-length UDP datagrams before counting\nthem toward the per-call packet budget, a connected QUIC peer can continuously\nstream empty datagrams to indefinitely stall the client."
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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": "8.18.0",
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"status": "affected",
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"versionType": "semver",
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"lessThan": "8.20.1"
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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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"vendor": "curl",
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"product": "curl",
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"versions": [
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{
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"version": "6a3d0b6d631d5e9bec797306b5b41a9f440a088d",
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"status": "affected",
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"versionType": "git",
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"lessThan": "56eca2afb4806f1032872fa97d1834b3c1385276"
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}
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],
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"defaultStatus": "unaffected",
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"repo": "https://github.com/curl/curl.git"
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},
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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": "8.20.0",
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"status": "affected"
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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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},
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{
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"version": "8.18.0",
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"status": "affected"
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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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"references": [
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{
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"url": "https://curl.se/docs/CVE-2026-11352.json"
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},
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{
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"url": "https://curl.se/docs/CVE-2026-11352.html"
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},
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{
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"url": "https://hackerone.com/reports/3783438"
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}
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],
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"x_osv": {
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"schema_version": "1.5.0",
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"id": "CURL-CVE-2026-11352",
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"aliases": [
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"CVE-2026-11352"
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],
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"summary": "QUIC zero-length UDP datagrams busy-loop",
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"modified": "2026-09-07T10:34:51.00Z",
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"database_specific": {
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"package": "curl",
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"affects": "both",
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"URL": "https://curl.se/docs/CVE-2026-11352.json",
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"www": "https://curl.se/docs/CVE-2026-11352.html",
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"issue": "https://hackerone.com/reports/3783438",
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"CWE": {
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"id": "CWE-835",
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"desc": "Loop with Unreachable Exit Condition ('Infinite Loop')"
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},
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"last_affected": "8.20.0",
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"severity": "Low"
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},
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"published": "2026-06-24T08:00:00.00Z",
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"affected": [
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{
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"ranges": [
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{
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"type": "SEMVER",
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"events": [
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{
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"introduced": "8.18.0"
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},
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{
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"fixed": "8.20.1"
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}
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]
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},
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{
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"type": "GIT",
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"repo": "https://github.com/curl/curl.git",
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"events": [
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{
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"introduced": "6a3d0b6d631d5e9bec797306b5b41a9f440a088d"
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},
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{
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"fixed": "56eca2afb4806f1032872fa97d1834b3c1385276"
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}
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]
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}
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],
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"versions": [
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"8.20.0",
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"8.19.0",
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"8.18.0"
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]
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}
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],
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"credits": [
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{
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"name": "vectorqueue on hackerone (AntAISecurityLab)",
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"type": "finder"
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},
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{
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"name": "Stefan Eissing",
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"type": "remediation developer"
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}
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],
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"details": "An issue in curl’s QUIC UDP receive function allows a malicious HTTP/3 server\nto trigger a remote denial of service against a curl or libcurl client.\nBecause the helper function discards zero-length UDP datagrams before counting\nthem toward the per-call packet budget, a connected QUIC peer can continuously\nstream empty datagrams to indefinitely stall the client."
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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": "Loop with Unreachable Exit Condition ('Infinite Loop')",
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"cweId": "CWE-835",
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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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"credits": [
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{
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"lang": "en",
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"value": "vectorqueue on hackerone (AntAISecurityLab)",
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"type": "finder"
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},
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{
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"lang": "en",
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"value": "Stefan Eissing",
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"type": "remediation developer"
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}
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],
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"x_generator": {
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"engine": "cvelib 1.8.0"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://hackerone.com/reports/3783438",
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"tags": [
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"exploit"
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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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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 7.5,
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"attackVector": "NETWORK",
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "NONE"
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}
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},
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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": "2026-07-06T18:26:03.249042Z",
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"id": "CVE-2026-11352",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "yes"
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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": "2026-07-06T18:27:49.432Z"
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}
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}
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]
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}
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} |