CVE-2026-3308

NameCVE-2026-3308
DescriptionAn 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.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-4540-1, DSA-6218-1
Debian Bugs1133189

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mupdf (PTS)bullseye1.17.0+ds1-2vulnerable
bullseye (security)1.17.0+ds1-2+deb11u2fixed
bookworm1.21.1+ds2-1vulnerable
bookworm (security)1.21.1+ds2-1+deb12u1fixed
trixie1.25.1+ds1-6vulnerable
trixie (security)1.25.1+ds1-6+deb13u1fixed
forky1.27.0+ds1-4fixed
sid1.27.0+ds1-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mupdfsourcebullseye1.17.0+ds1-2+deb11u2DLA-4540-1
mupdfsourcebookworm1.21.1+ds2-1+deb12u1DSA-6218-1
mupdfsourcetrixie1.25.1+ds1-6+deb13u1DSA-6218-1
mupdfsource(unstable)1.27.0+ds1-41133189

Notes

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

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