Bug 2454360 - CVE-2026-3308 mupdf: MuPDF: Arbitrary code execution via integer overflow with a crafted PDF [fedora-42]
Summary: CVE-2026-3308 mupdf: MuPDF: Arbitrary code execution via integer overflow wit...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: mupdf
Version: 42
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Michael J Gruber
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["fa71a785-fd35-4fc7-b6a5-3...
Depends On:
Blocks: CVE-2026-3308
TreeView+ depends on / blocked
 
Reported: 2026-04-02 14:33 UTC by Vipul Nair
Modified: 2026-04-12 15:53 UTC (History)
2 users (show)

Fixed In Version: mupdf-1.26.3-6.fc42
Clone Of:
Environment:
Last Closed: 2026-04-12 15:53:35 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)

Description Vipul Nair 2026-04-02 14:33:43 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 20:17:52 UTC 
FEDORA-2026-b56fe1f040 (mupdf-1.26.3-6.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-b56fe1f040
Comment 2 Fedora Update System 2026-04-03 17:31:18 UTC 
FEDORA-2026-b56fe1f040 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-b56fe1f040`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-b56fe1f040

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
Comment 3 Fedora Update System 2026-04-12 15:53:35 UTC 
FEDORA-2026-b56fe1f040 (mupdf-1.26.3-6.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.
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