Bug 2429956

Summary:	CVE-2025-4138 python3.9: Bypassing extraction filter to create symlinks to arbitrary targets outside extraction directory [fedora-42]
Product:	[Fedora] Fedora	Reporter:	Avinash Hanwate <ahanwate>
Component:	python3.9	Assignee:	Python Maintainers <python-maint>
Status:	CLOSED CURRENTRELEASE	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	high
Version:	42	CC:	cstratak, mhroncok, python-maint, python-packagers-sig, thrnciar, torsava, vstinner
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["f7992344-16c7-489b-aa71-b07ea03273c5"]}
Fixed In Version:		Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-02-05 12:39:57 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:	2372426

Description Avinash Hanwate 2026-01-15 13:08:46 UTC

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 2026-02-05 12:39:57 UTC

The issue has already been fixed in the latest releases we have in all supported Fedora releases.