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.
Fix
Patch, vendor advisory and mitigation references on NVD 5
- https://bugs.ghostscript.com/show_bug.cgi?id=709328 Exploit, Mitigation, Third Party Advisory
- https://vuldb.com/submit/802590 Exploit, Mitigation, Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/359840 Exploit, Mitigation, Third Party Advisory, VDB Entry
- https://bugs.ghostscript.com/show_bug.cgi?id=709328 Exploit, Mitigation, Third Party Advisory
- https://vuldb.com/submit/802590 Exploit, Mitigation, Third Party Advisory, VDB Entry
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 1.9 · artifexNVD modified 2026-10-26 21:10
Affected (CPE criteria) 1
cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:*
References 8
- https://artifex.com/ Product
- https://bugs.ghostscript.com/show_bug.cgi?id=709328 Exploit, Mitigation, Third Party Advisory
- https://github.com/biniamf/pocs/tree/main/mupdf-cff-indexload-oobread Exploit
- https://vuldb.com/submit/802590 Exploit, Mitigation, Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/359840 Exploit, Mitigation, Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/359840/cti Permissions Required, VDB Entry
- https://bugs.ghostscript.com/show_bug.cgi?id=709328 Exploit, Mitigation, Third Party Advisory
- https://vuldb.com/submit/802590 Exploit, Mitigation, Third Party Advisory, VDB Entry