Bug 2448206

Summary:	CVE-2026-4224 python3.13: Stack overflow parsing XML with deeply nested DTD content models [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Jon Moroney <jmoroney>
Component:	python3.13	Assignee:	Python Maintainers <python-maint>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	rawhide	CC:	ksurma, mhroncok, python-maint, python-packagers-sig
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["b571fc48-3bad-406e-b9d0-df9975a34ae8"]}
Fixed In Version:	python3.13-3.13.13-1.fc42	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-04-28 01:11:34 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:	2448181

Description Jon Moroney 2026-03-16 20:09:45 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 Fedora Update System 2026-04-10 18:26:54 UTC

FEDORA-2026-80165205dc (python3.13-3.13.13-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-80165205dc

Comment 2 Fedora Update System 2026-04-10 18:38:18 UTC

FEDORA-2026-13c6899032 (python3.13-3.13.13-1.fc42 and python3-docs-3.13.13-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-13c6899032

Comment 3 Fedora Update System 2026-04-12 16:12:44 UTC

FEDORA-2026-13c6899032 has been pushed to the Fedora 42 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-13c6899032`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-13c6899032

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 4 Fedora Update System 2026-04-28 01:11:34 UTC

FEDORA-2026-13c6899032 (python3.13-3.13.13-1.fc42 and python3-docs-3.13.13-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.