Bug 2373234 (CVE-2025-6069) - CVE-2025-6069 cpython: Python HTMLParser quadratic complexity
Summary: CVE-2025-6069 cpython: Python HTMLParser quadratic complexity
Keywords:
Status: NEW
Alias: CVE-2025-6069
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2373236 2373237 2373238 2373240 2373241 2373242 2373243 2373244 2373245 2373246 2373247 2373248 2373249 2373250 2373251 2373252 2373253
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-06-17 16:12 UTC by OSIDB Bzimport
Modified: 2025-06-17 19:08 UTC (History)
9 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2025-06-17 16:12:16 UTC 
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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