CVE-2026-3308
7.8
HIGH
CVSS 3.1
EPSS 0.02%
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.
How to fix CVE-2026-3308
To remediate CVE-2026-3308, upgrade the affected package to a fixed version below.
- Debian/mupdf—upgrade to 1.17.0+ds1-2+deb11u2 or later
Is CVE-2026-3308 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.17.0+ds1-2+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |