Bug 2454361

Summary: CVE-2026-3308 mupdf: MuPDF: Arbitrary code execution via integer overflow with a crafted PDF [fedora-43]
Product: [Fedora] Fedora Reporter: Vipul Nair <vinair>
Component: mupdfAssignee: Michael J Gruber <mjg>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: 43CC: lizhenbo, mjg
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["fa71a785-fd35-4fc7-b6a5-37112a20db95"]}
Fixed In Version: mupdf-1.27.1-10.fc45 mupdf-1.27.1-10.fc43 mupdf-1.27.1-10.fc44 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-04-02 20:35:58 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: 2453350    

Description Vipul Nair 2026-04-02 14:33:48 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 2026-04-02 20:02:24 UTC
FEDORA-2026-563f85e690 (mupdf-1.27.1-10.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-563f85e690

Comment 2 Fedora Update System 2026-04-02 20:16:38 UTC
FEDORA-2026-0ebdbc98c5 (mupdf-1.27.1-10.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-0ebdbc98c5

Comment 3 Fedora Update System 2026-04-02 20:17:23 UTC
FEDORA-2026-7a9c0c8c04 (mupdf-1.27.1-10.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-7a9c0c8c04

Comment 4 Fedora Update System 2026-04-02 20:35:58 UTC
FEDORA-2026-563f85e690 (mupdf-1.27.1-10.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 5 Fedora Update System 2026-04-03 17:57:07 UTC
FEDORA-2026-7a9c0c8c04 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-2026-7a9c0c8c04`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-7a9c0c8c04

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

Comment 6 Fedora Update System 2026-04-03 18:05:00 UTC
FEDORA-2026-0ebdbc98c5 has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-0ebdbc98c5`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-0ebdbc98c5

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

Comment 7 Fedora Update System 2026-04-12 15:37:53 UTC
FEDORA-2026-7a9c0c8c04 (mupdf-1.27.1-10.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-04-25 01:34:24 UTC
FEDORA-2026-0ebdbc98c5 (mupdf-1.27.1-10.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.