PT-2026-35671 · Artifex · Mupdf

Biniam · Published 2026-04-28 · Updated 2026-04-28 · CVE-2026-7233

Mitre

CVSS v3.1

3.3

Low

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

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.

Exploit

Fix

Out of bounds Read

Buffer Overflow

Weakness Enumeration

CWE-125

CWE-119

Related Identifiers

CVE-2026-7233

Affected Products

Mupdf

References · 7

• 🔥 https://github.com/biniamf/pocs/tree/main/mupdf-cff-indexload-oobread · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7233 · Security Note
• https://vuldb.com/vuln/359840/cti · Note
• https://artifex.com · Note
• https://vuldb.com/vuln/359840 · Note
• https://bugs.ghostscript.com/show_bug.cgi?id=709328 · Note
• https://vuldb.com/submit/802590 · Note