{"id":"CVE-2026-7233","title":"Artifex MuPDF CFF Index subset-cff.c fz_subset_cff_for_gids out-of-bounds","summary":"A vulnerability was determined in Artifex MuPDF. 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…","severity":"low","cvss":3.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","cvssSource":"cna","cwe":["CWE-125","CWE-119"],"vendor":"Artifex","product":"MuPDF","affected":["MuPDF 1.24.0","MuPDF 1.24.1","MuPDF 1.24.2","MuPDF 1.24.3","MuPDF 1.24.4","MuPDF 1.24.5","MuPDF 1.24.6","MuPDF 1.24.7","MuPDF 1.24.8","MuPDF 1.24.9","MuPDF 1.24.10","MuPDF 1.24.11","MuPDF 1.25.0","MuPDF 1.25.1","MuPDF 1.25.2","MuPDF 1.25.3","MuPDF 1.25.4","MuPDF 1.25.5","MuPDF 1.25.6","MuPDF 1.26.0","MuPDF 1.26.1","MuPDF 1.26.2","MuPDF 1.26.3","MuPDF 1.26.4","MuPDF 1.26.5","MuPDF 1.26.6","MuPDF 1.26.7","MuPDF 1.26.8","MuPDF 1.26.9","MuPDF 1.26.10","MuPDF 1.26.11","MuPDF 1.26.12","MuPDF 1.27.0","MuPDF 1.27.1","MuPDF 1.27.2","MuPDF 1.28.0"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-04-29T15:14:06.670638Z"},"exploitAvailable":true,"published":"2026-04-28","updated":"2026-11-01","sourceUpdated":"2026-11-01T07:27:29.629Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-7233","references":[{"url":"https://vuldb.com/vuln/359840","label":"VDB-359840 | Artifex MuPDF CFF Index subset-cff.c fz_subset_cff_for_gids out-of-bounds"},{"url":"https://vuldb.com/vuln/359840/cti","label":"VDB-359840 | CTI Indicators (IOB, IOC, IOA)"},{"url":"https://vuldb.com/cve/CVE-2026-7233","label":"CVE-2026-7233 | CVE Analysis and Report"},{"url":"https://vuldb.com/submit/802590","label":"Submit #802590 | Artifex MuPDF 1.28 Out-of-Bounds Read"},{"url":"https://bugs.ghostscript.com/show_bug.cgi?id=709328"},{"url":"https://github.com/biniamf/pocs/tree/main/mupdf-cff-indexload-oobread"},{"url":"https://artifex.com/"}],"tags":["cve.org","exploit-available"],"epss":0.00238,"epssPercentile":0.1488,"ingestedAt":"2026-11-05T18:28:50.699Z","slug":"CVE-2026-7233","body":"## Overview\n\nA vulnerability was determined in Artifex MuPDF. 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.\n\n## Affected\n\n- `MuPDF 1.24.0`\n- `MuPDF 1.24.1`\n- `MuPDF 1.24.2`\n- `MuPDF 1.24.3`\n- `MuPDF 1.24.4`\n- `MuPDF 1.24.5`\n- `MuPDF 1.24.6`\n- `MuPDF 1.24.7`\n- `MuPDF 1.24.8`\n- `MuPDF 1.24.9`\n- `MuPDF 1.24.10`\n- `MuPDF 1.24.11`\n- `MuPDF 1.25.0`\n- `MuPDF 1.25.1`\n- `MuPDF 1.25.2`\n- `MuPDF 1.25.3`\n- `MuPDF 1.25.4`\n- `MuPDF 1.25.5`\n- `MuPDF 1.25.6`\n- `MuPDF 1.26.0`\n- `MuPDF 1.26.1`\n- `MuPDF 1.26.2`\n- `MuPDF 1.26.3`\n- `MuPDF 1.26.4`\n- `MuPDF 1.26.5`\n- `MuPDF 1.26.6`\n- `MuPDF 1.26.7`\n- `MuPDF 1.26.8`\n- `MuPDF 1.26.9`\n- `MuPDF 1.26.10`\n- `MuPDF 1.26.11`\n- `MuPDF 1.26.12`\n- `MuPDF 1.27.0`\n- `MuPDF 1.27.1`\n- `MuPDF 1.27.2`\n- `MuPDF 1.28.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":30,"depthScoreParts":{"impact":18.2,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}