CVE-2026-7233: A vulnerability was determined in Artifex MuPDF up to 1.28.0. The impacted element is the function…
CVE-2026-7233 · Severity: low · CVSS 3.3 · Published 2026-04-28
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.
No. Junglewise Threat Intelligence has no report of CVE-2026-7233 being exploited in the wild.
How severe is CVE-2026-7233?
Low severity, with a CVSS score of 3.3, published 28 April 2026.
Which products and versions are affected?
Artifex Mupdf. The advisory does not name versions.
Is there a fix for CVE-2026-7233?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-7233?
Check whether you run Artifex Mupdf. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.