CVE-2026-3308

Name	CVE-2026-3308
Description	An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
mupdf (PTS)	bullseye	1.17.0+ds1-2	vulnerable
	bullseye (security)	1.17.0+ds1-2+deb11u1	vulnerable
	bookworm	1.21.1+ds2-1	vulnerable
	trixie	1.25.1+ds1-6	vulnerable
	forky, sid	1.27.0+ds1-3	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
mupdf	source	(unstable)	(unfixed)

https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85