Bug 2373251

Summary: CVE-2025-6069 python3.14: Python HTMLParser quadratic complexity [fedora-42]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: python3.14Assignee: Lumír Balhar <lbalhar>
Status: CLOSED CURRENTRELEASE QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: 42CC: ksurma, lbalhar, mhroncok, python-maint, python-packagers-sig
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["99bc79c2-d25b-4921-a562-53e72235c40d"]}
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2025-06-28 09:46:32 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2373234    

Description Jon Moroney 2025-06-17 16:25:24 UTC 
More information about this security flaw is available in the following bug:

https://bugzilla.redhat.com/show_bug.cgi?id=2373234

Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Comment 1 Lumír Balhar 2025-06-28 09:46:32 UTC 
The fix for this has been released in 3.14.0 beta 3, and we have this version in all Fedora releases.

https://github.com/python/cpython/commit/d851f8e258c7328814943e923a7df81bca15df4b