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vuln-cve/data/2025/6xxx/CVE-2025-6069.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-6069",
"assignerOrgId": "28c92f92-d60d-412d-b760-e73465c3df22",
"state": "PUBLISHED",
"assignerShortName": "PSF",
"dateReserved": "2025-06-13T14:05:15.473Z",
"datePublished": "2025-06-17T13:39:46.058Z",
"dateUpdated": "2026-07-31T14:01:47.064Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"modules": [
"html.parser"
],
"product": "CPython",
"repo": "https://github.com/python/cpython",
"vendor": "Python Software Foundation",
"versions": [
{
"version": "0",
"lessThan": "3.9.24",
"status": "affected",
"versionType": "python"
},
{
"version": "3.10.0",
"lessThan": "3.10.19",
"status": "affected",
"versionType": "python"
},
{
"version": "3.11.0",
"lessThan": "3.11.14",
"status": "affected",
"versionType": "python"
},
{
"version": "3.12.0",
"lessThan": "3.12.12",
"status": "affected",
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},
{
"version": "3.13.0",
"lessThan": "3.13.6",
"status": "affected",
"versionType": "python"
},
{
"version": "3.14.0a1",
"lessThan": "3.14.0b3",
"status": "affected",
"versionType": "python"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "remediation developer",
"value": "Serhiy Storchaka"
},
{
"lang": "en",
"type": "reporter",
"value": "Jake Howard"
},
{
"lang": "en",
"type": "finder",
"value": "sw0rd1ight"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service."
}
],
"value": "The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-1333",
"description": "CWE-1333 Inefficient Regular Expression Complexity",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "28c92f92-d60d-412d-b760-e73465c3df22",
"shortName": "PSF",
"dateUpdated": "2026-07-31T14:01:47.064Z"
},
"references": [
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/python/cpython/issues/135462"
},
{
"tags": [
"patch"
],
"url": "https://github.com/python/cpython/pull/135464"
},
{
"tags": [
"patch"
],
"url": "https://github.com/python/cpython/commit/4455cbabf991e202185a25a631af206f60bbc949"
},
{
"tags": [
"patch"
],
"url": "https://github.com/python/cpython/commit/6eb6c5dbfb528bd07d77b60fd71fd05d81d45c41"
},
{
"tags": [
"patch"
],
"url": "https://github.com/python/cpython/commit/d851f8e258c7328814943e923a7df81bca15df4b"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://mail.python.org/archives/list/security-announce@python.org/thread/K5PIYLR6EP3WR7ZOKKYQUWEDNQVUXOYM/"
},
{
"tags": [
"patch"
],
"url": "https://github.com/python/cpython/commit/8d1b3dfa09135affbbf27fb8babcf3c11415df49"
},
{
"tags": [
"patch"
],
"url": "https://github.com/python/cpython/commit/ab0893fd5c579d9cea30841680e6d35fc478afb5"
},
{
"tags": [
"patch"
],
"url": "https://github.com/python/cpython/commit/f3c6f882cddc8dc30320d2e73edf019e201394fc"
},
{
"tags": [
"patch"
],
"url": "https://github.com/python/cpython/commit/fdc9d214c01cb4588f540cfa03726bbf2a33fc15"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "HTMLParser quadratic complexity when processing malformed inputs",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2025-06-17T13:58:28.646020Z",
"id": "CVE-2025-6069",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"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": "2025-06-17T13:58:41.637Z"
}
}
]
}
}