VDB
CVE-2026-3308
CVE-2026-3308
PUBLISHED
CVSS 9.300000190734863 CRITICAL
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.
EPSS 0.21% · 11.6th percentile
Risk Scores
CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.21%
11.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Artifex Software Inc. *PyMuPDF* | MuPDF | 0, 0 |
Timeline
- Mar 31, 2026 CVE Published
- Mar 31, 2026 Security Advisory
- Apr 2, 2026 PoC Published
- Apr 3, 2026 Security Advisory
- Apr 3, 2026 Security Advisory
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
References
- https://github.com/ArtifexSoftware/mupdf/commit/a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85 fix
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85 technical
- https://github.com/ArtifexSoftware/mupdf technical
- https://nvd.nist.gov/vuln/detail/CVE-2026-3308 advisory
- https://www.kb.cert.org/vuls/id/951662 advisory
- https://lists.debian.org/debian-lts-announce/2026/04/msg00020.html advisory