github - ghsa-j5cc-6rx8-ff96

ghsa-j5cc-6rx8-ff96

Vulnerability from github

Published

2025-06-17 15:31

Modified

2025-06-17 15:31

Severity ?

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Details

The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-6069"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-17T14:15:33Z",
    "severity": "MODERATE"
  },
  "details": "The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service.",
  "id": "GHSA-j5cc-6rx8-ff96",
  "modified": "2025-06-17T15:31:08Z",
  "published": "2025-06-17T15:31:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-6069"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/issues/135462"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/pull/135464"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/4455cbabf991e202185a25a631af206f60bbc949"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/6eb6c5dbfb528bd07d77b60fd71fd05d81d45c41"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/d851f8e258c7328814943e923a7df81bca15df4b"
    },
    {
      "type": "WEB",
      "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/K5PIYLR6EP3WR7ZOKKYQUWEDNQVUXOYM"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

cve-2025-6069

Vulnerability from cvelistv5

Published

2025-06-17 13:39

Modified

2025-06-17 13:58

Severity ?

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Summary

HTMLParser quadratic complexity when processing malformed inputs

References

▼	URL	Tags
	https://github.com/python/cpython/issues/135462	issue-tracking
	https://github.com/python/cpython/pull/135464	patch
	https://github.com/python/cpython/commit/4455cbabf991e202185a25a631af206f60bbc949	patch
	https://github.com/python/cpython/commit/6eb6c5dbfb528bd07d77b60fd71fd05d81d45c41	patch
	https://github.com/python/cpython/commit/d851f8e258c7328814943e923a7df81bca15df4b	patch
	https://mail.python.org/archives/list/security-announce@python.org/thread/K5PIYLR6EP3WR7ZOKKYQUWEDNQVUXOYM/	vendor-advisory

Impacted products

▼	Vendor	Product
	Python Software Foundation	CPython

Show details on NVD website

To clipboard

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