Bug 2437972

Summary:	CVE-2026-25556 mupdf: MuPDF: Denial of Service via crafted input during barcode decoding [fedora-43]
Product:	[Fedora] Fedora	Reporter:	Sandipan Roy <saroy>
Component:	mupdf	Assignee:	Michael J Gruber <mjg>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	43	CC:	lizhenbo, mjg
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["fd788a96-f909-4d55-add3-ecb879d6d0f0"]}
Fixed In Version:	mupdf-1.27.1-4.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-02-23 01:56:39 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:	2432586
Bug Blocks:	2437835

Description Sandipan Roy 2026-02-09 13:13:21 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 2026-02-14 18:01:15 UTC

FEDORA-2026-c06fd97a53 (mupdf-1.27.1-4.fc43, python-PyMuPDF-1.27.1-2.fc43, and 2 more) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-c06fd97a53

Comment 2 Fedora Update System 2026-02-15 00:57:45 UTC

FEDORA-2026-c06fd97a53 has been pushed to the Fedora 43 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-c06fd97a53`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-c06fd97a53

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

Comment 3 Fedora Update System 2026-02-23 01:56:39 UTC

FEDORA-2026-c06fd97a53 (mupdf-1.27.1-4.fc43, python-PyMuPDF-1.27.1-2.fc43, and 2 more) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.