CVE-2026-7233

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 4.0

1.9CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

CVSS 3.1

6.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-26)

CWEs

CWE-119, CWE-125

Published

2026-04-28

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• artifex:mupdf

References

• https://artifex.com/
• https://bugs.ghostscript.com/show_bug.cgi?id=709328
• https://github.com/biniamf/pocs/tree/main/mupdf-cff-indexload-oobread
• https://vuldb.com/submit/802590
• https://vuldb.com/vuln/359840

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