CVE-2026-7233
Artifex MuPDF CFF Index subset-cff.c fz_subset_cff_for_gids out-of-bounds
LOW 1.9EPSS 0.2%
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.
- Affected
- Artifex · MuPDF
- CVSS v4.0 VULDB
- 1.9 LOW
CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 NVD
- 6.1 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H - CVSS v3.1 VULDB
- 3.3 LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS v2.0 VULDB
- 1.7 LOW
AV:L/AC:L/Au:S/C:P/I:N/A:N - EPSS
- 0.19% chance of exploitation in the next 30 days, 9th percentile
- Published
- 2026-04-28
- Updated
- 2026-05-05
Proof-of-concept exploits (1)
- biniamf/pocs/tree/main/mupdf-cff-indexload-oobread0★ · 2026-10-10
Security advisories
- https://bugs.ghostscript.com/show_bug.cgi?id=709328
- https://vuldb.com/submit/802590
- https://vuldb.com/vuln/359840
- https://artifex.com