fkie_cve-2025-6069
Vulnerability from fkie_nvd
Published
2025-06-17 14:15
Modified
2025-07-07 18:15
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Summary
The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service.
References
cna@python.orghttps://github.com/python/cpython/commit/4455cbabf991e202185a25a631af206f60bbc949
cna@python.orghttps://github.com/python/cpython/commit/6eb6c5dbfb528bd07d77b60fd71fd05d81d45c41
cna@python.orghttps://github.com/python/cpython/commit/8d1b3dfa09135affbbf27fb8babcf3c11415df49
cna@python.orghttps://github.com/python/cpython/commit/ab0893fd5c579d9cea30841680e6d35fc478afb5
cna@python.orghttps://github.com/python/cpython/commit/d851f8e258c7328814943e923a7df81bca15df4b
cna@python.orghttps://github.com/python/cpython/commit/f3c6f882cddc8dc30320d2e73edf019e201394fc
cna@python.orghttps://github.com/python/cpython/commit/fdc9d214c01cb4588f540cfa03726bbf2a33fc15
cna@python.orghttps://github.com/python/cpython/issues/135462
cna@python.orghttps://github.com/python/cpython/pull/135464
cna@python.orghttps://mail.python.org/archives/list/security-announce@python.org/thread/K5PIYLR6EP3WR7ZOKKYQUWEDNQVUXOYM/
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service."
    },
    {
      "lang": "es",
      "value": "La clase html.parser.HTMLParser ten\u00eda una complejidad cuadr\u00e1tica en el peor de los casos al procesar ciertas entradas mal formadas que pod\u00edan llevar a una denegaci\u00f3n de servicio amplificada."
    }
  ],
  "id": "CVE-2025-6069",
  "lastModified": "2025-07-07T18:15:29.150",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "cna@python.org",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-06-17T14:15:33.677",
  "references": [
    {
      "source": "cna@python.org",
      "url": "https://github.com/python/cpython/commit/4455cbabf991e202185a25a631af206f60bbc949"
    },
    {
      "source": "cna@python.org",
      "url": "https://github.com/python/cpython/commit/6eb6c5dbfb528bd07d77b60fd71fd05d81d45c41"
    },
    {
      "source": "cna@python.org",
      "url": "https://github.com/python/cpython/commit/8d1b3dfa09135affbbf27fb8babcf3c11415df49"
    },
    {
      "source": "cna@python.org",
      "url": "https://github.com/python/cpython/commit/ab0893fd5c579d9cea30841680e6d35fc478afb5"
    },
    {
      "source": "cna@python.org",
      "url": "https://github.com/python/cpython/commit/d851f8e258c7328814943e923a7df81bca15df4b"
    },
    {
      "source": "cna@python.org",
      "url": "https://github.com/python/cpython/commit/f3c6f882cddc8dc30320d2e73edf019e201394fc"
    },
    {
      "source": "cna@python.org",
      "url": "https://github.com/python/cpython/commit/fdc9d214c01cb4588f540cfa03726bbf2a33fc15"
    },
    {
      "source": "cna@python.org",
      "url": "https://github.com/python/cpython/issues/135462"
    },
    {
      "source": "cna@python.org",
      "url": "https://github.com/python/cpython/pull/135464"
    },
    {
      "source": "cna@python.org",
      "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/K5PIYLR6EP3WR7ZOKKYQUWEDNQVUXOYM/"
    }
  ],
  "sourceIdentifier": "cna@python.org",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1333"
        }
      ],
      "source": "cna@python.org",
      "type": "Secondary"
    }
  ]
}


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