PT-2026-29249 · Artifex · Mupdf

Yarden Porat · Published 2026-03-31 · Updated 2026-04-21 · CVE-2026-3308

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions MuPDF version 1.27.0

Description An integer overflow exists in the 'pdf-image.c' file within MuPDF version 1.27.0. A specially crafted PDF document can trigger an integer overflow within the pdf load image imp function. This can lead to a heap out-of-bounds write, potentially enabling arbitrary code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2026-3308

Affected Products

Mupdf

References · 14

• https://cve.org/CVERecord?id=CVE-2026-3308 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-3308 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-3308 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-3308 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-3308 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-3308 · Security Note
• https://github.com/ArtifexSoftware/mupdf · Note
• https://github.com/ArtifexSoftware/mupdf/commit/a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85 · Note
• https://twitter.com/CVEnew/status/2039004462178505007 · Twitter Post
• https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85 · Note
• https://twitter.com/Cezar_H_Linux/status/2046689948305170758 · Twitter Post
• https://twitter.com/the_yellow_fall/status/2040045148747534503 · Twitter Post
• https://lists.debian.org/debian-lts-announce/2026/04/msg00020.html · Note
• https://kb.cert.org/vuls/id/951662 · Note