Out-of-Bounds Affecting mupdf package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.24% (15th percentile)

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  • Snyk IDSNYK-DEBIAN11-MUPDF-16322755
  • published30 Apr 2026
  • disclosed28 Apr 2026

Introduced: 28 Apr 2026

CVE-2026-7233  (opens in a new tab)
CWE-119  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

There is no fixed version for Debian:11 mupdf.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mupdf package and not the mupdf package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

A vulnerability was determined in Artifex MuPDF up to 1.28.0. The impacted element is the function fz_subset_cff_for_gids of the file subset-cff.c of the component CFF Index Handler. This manipulation causes out-of-bounds read. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through a bug report but has not responded yet.

CVSS Base Scores

version 3.1