Description

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

INFO

Published Date :

2025-06-17T13:39:46.058Z

Last Modified :

2026-04-21T20:17:13.876Z

Source :

PSF
AFFECTED PRODUCTS

The following products are affected by CVE-2025-6069 vulnerability.

Vendors Products
Python
  • Cpython
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-6069.

URL Resource
https://github.com/python/cpython/commit/4455cbabf991e202185a25a631af206f60bbc949 cve-icon cve-icon cve-icon
https://github.com/python/cpython/commit/6eb6c5dbfb528bd07d77b60fd71fd05d81d45c41 cve-icon cve-icon cve-icon
https://github.com/python/cpython/commit/8d1b3dfa09135affbbf27fb8babcf3c11415df49 cve-icon cve-icon
https://github.com/python/cpython/commit/ab0893fd5c579d9cea30841680e6d35fc478afb5 cve-icon cve-icon
https://github.com/python/cpython/commit/d851f8e258c7328814943e923a7df81bca15df4b cve-icon cve-icon cve-icon
https://github.com/python/cpython/commit/f3c6f882cddc8dc30320d2e73edf019e201394fc cve-icon cve-icon
https://github.com/python/cpython/commit/fdc9d214c01cb4588f540cfa03726bbf2a33fc15 cve-icon cve-icon
https://github.com/python/cpython/issues/135462 cve-icon cve-icon cve-icon
https://github.com/python/cpython/pull/135464 cve-icon cve-icon cve-icon
https://mail.python.org/archives/list/[email protected]/thread/K5PIYLR6EP3WR7ZOKKYQUWEDNQVUXOYM/ cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-6069 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-6069 cve-icon
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