{"cve":"CVE-2025-6069","nvd":{"published":"2025-06-17T14:15:33.677","modified":"2026-07-31T14:16:45.130","status":"Deferred","description":"The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","score":4.3},"cwes":["CWE-1333"],"references":["https://github.com/python/cpython/commit/4455cbabf991e202185a25a631af206f60bbc949","https://github.com/python/cpython/commit/6eb6c5dbfb528bd07d77b60fd71fd05d81d45c41","https://github.com/python/cpython/commit/8d1b3dfa09135affbbf27fb8babcf3c11415df49","https://github.com/python/cpython/commit/ab0893fd5c579d9cea30841680e6d35fc478afb5","https://github.com/python/cpython/commit/d851f8e258c7328814943e923a7df81bca15df4b"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:03:23.287444849+00:00"},"epss":{"cve":"CVE-2025-6069","score":0.00603,"percentile":0.48873,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}