CVE-2026-7233 Artifex MuPDF CFF Index subset-cff.c fz_subset_cff_for_gids out-of-bounds

A vulnerability was determined in Artifex MuPDF up to 1.28.0. The impacted element is the function fzsubsetcffforgids 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...