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vuln-cve/data/2026/83xxx/CVE-2026-83619.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-83619",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-08-31T20:36:25.744Z",
"datePublished": "2026-09-01T14:51:28.121Z",
"dateUpdated": "2026-09-01T18:05:22.049Z"
},
"containers": {
"cna": {
"title": "xmldom: End-tag Whitespace-Trim Regex ReDoS — quadratic backtracking in the 0.8.x end-tag parser",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"lang": "en",
"description": "CWE-400: Uncontrolled Resource Consumption",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-1333",
"lang": "en",
"description": "CWE-1333: Inefficient Regular Expression Complexity",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/xmldom/xmldom/security/advisories/GHSA-x4fp-j954-r2f4",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/xmldom/xmldom/security/advisories/GHSA-x4fp-j954-r2f4"
},
{
"name": "https://github.com/xmldom/xmldom/pull/1072",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/xmldom/xmldom/pull/1072"
},
{
"name": "https://github.com/xmldom/xmldom/commit/3abb0934f5a8a84d83a1f9cde0f2bd04c08b2a09",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/xmldom/xmldom/commit/3abb0934f5a8a84d83a1f9cde0f2bd04c08b2a09"
},
{
"name": "https://github.com/xmldom/xmldom/releases/tag/0.8.15",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/xmldom/xmldom/releases/tag/0.8.15"
}
],
"affected": [
{
"vendor": "xmldom",
"product": "xmldom",
"versions": [
{
"version": ">= 0.7.0, < 0.8.15",
"status": "affected"
}
]
},
{
"vendor": "@xmldom",
"product": "xmldom",
"versions": [
{
"version": ">= 0.7.0, < 0.8.15",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-09-01T14:51:28.121Z"
},
"descriptions": [
{
"lang": "en",
"value": "xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module. From 0.7.0 until 0.8.15, the release-0.8.x parser in lib/sax.js trims captured end-tag names with the unanchored global expression /[ \\t\\n\\r]+$/g. For an end tag containing a long whitespace run followed by a non-whitespace character, the expression retries from each possible starting position and backtracks quadratically before failing its end anchor. DOMParser.parseFromString() reaches the path under default options, allowing a small unauthenticated XML input to stall the Node.js event loop; the 0.9.x and unscoped npm lines do not contain this expression. This issue is fixed in @xmldom/xmldom version 0.8.15."
}
],
"source": {
"advisory": "GHSA-x4fp-j954-r2f4",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-09-01T17:52:50.438353Z",
"id": "CVE-2026-83619",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-09-01T18:05:22.049Z"
}
}
]
}
}