{"id":"CVE-2026-7233","aliases":["DEBIAN-CVE-2026-7233","EUVD-2026-26000","GHSA-82r2-3cm6-cxw2","UBUNTU-CVE-2026-7233"],"status":"published","title":"Artifex MuPDF CFF Index subset-cff.c fz_subset_cff_for_gids out-of-bounds","description":"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 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.","severity":{"version":"4.0","score":4.8,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00238,"percentile":0.14877,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-125"],"published":"2026-04-28T06:00:18Z","modified":"2026-11-05T11:47:38Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"mupdf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.21.1+ds2-1","1.21.1+ds2-1+deb12u1","1.22.1+ds1-1","1.22.2+ds1-1","1.22.2+ds1-2","1.23.10+ds1-1","1.23.10+ds1-2","1.23.6+ds1-1","1.23.7+ds1-1","1.24.10+ds1-1","1.24.3+ds1-1","1.24.8+ds2-1","1.24.8+ds2-2","1.24.9+ds1-1","1.25.1+ds1-1","1.25.1+ds1-2","1.25.1+ds1-3","1.25.1+ds1-4","1.25.1+ds1-5","1.25.1+ds1-6","1.25.1+ds1-7","1.25.1+ds1-8","1.25.1+ds1-9","1.27.0+ds1-1","1.27.0+ds1-2","1.27.0+ds1-3","1.27.0+ds1-4","1.27.0+ds1-5","1.27.0+ds1-6","1.28.0+ds1-1","1.28.2+ds1-1","1.28.2+ds1-2"]},{"source":"osv","ecosystem":"Debian:13","package":"mupdf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.25.1+ds1-6","1.25.1+ds1-6+deb13u1","1.25.1+ds1-7","1.25.1+ds1-8","1.25.1+ds1-9","1.27.0+ds1-1","1.27.0+ds1-2","1.27.0+ds1-3","1.27.0+ds1-4","1.27.0+ds1-5","1.27.0+ds1-6","1.28.0+ds1-1","1.28.2+ds1-1","1.28.2+ds1-2"]},{"source":"osv","ecosystem":"Debian:14","package":"mupdf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.25.1+ds1-6","1.25.1+ds1-7","1.25.1+ds1-8","1.25.1+ds1-9","1.27.0+ds1-1","1.27.0+ds1-2","1.27.0+ds1-3","1.27.0+ds1-4","1.27.0+ds1-5","1.27.0+ds1-6","1.28.0+ds1-1","1.28.2+ds1-1","1.28.2+ds1-2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"mupdf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7-1","1.7a-1","1.7a-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"mupdf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.11+ds1-1.1","1.11+ds1-2","1.12.0+ds1-1","1.12.0+ds1-1ubuntu0.1~esm1","1.12.0+ds1-1ubuntu0.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"mupdf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.15.0+ds1-1","1.16.1+ds1-1ubuntu1","1.16.1+ds1-1ubuntu1+esm1","1.16.1+ds1-1ubuntu1+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"mupdf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.17.0+ds1-2","1.19.0+ds1-1","1.19.0+ds1-1build1","1.19.0+ds1-2","1.19.0+ds1-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"mupdf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.22.2+ds1-2","1.22.2+ds1-2build1","1.23.6+ds1-1","1.23.7+ds1-1","1.23.10+ds1-1","1.23.10+ds1-1build1","1.23.10+ds1-1build2","1.23.10+ds1-1build3","1.23.10+ds1-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"mupdf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.25.1+ds1-5build2","1.25.1+ds1-6","1.25.1+ds1-7"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"mupdf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.27.0+ds1-3ubuntu2","1.27.0+ds1-3ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"mupdf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.25.1+ds1-7","1.25.1+ds1-7build1","1.25.1+ds1-7build2","1.27.0+ds1-2ubuntu1","1.27.0+ds1-3ubuntu1","1.27.0+ds1-3ubuntu2"]}],"products":[{"vendor":"artifex","product":"mupdf"}],"references":[{"url":"https://vuldb.com/vuln/359840","tags":["vdb-entry","technical-description","Exploit","Mitigation","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://vuldb.com/vuln/359840/cti","tags":["signature","permissions-required","Permissions Required","VDB Entry","report"]},{"url":"https://vuldb.com/cve/CVE-2026-7233","tags":["third-party-advisory","advisory"]},{"url":"https://vuldb.com/submit/802590","tags":["third-party-advisory","exploit","Exploit","Mitigation","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://bugs.ghostscript.com/show_bug.cgi?id=709328","tags":["issue-tracking","exploit","Exploit","Mitigation","Third Party Advisory","report"]},{"url":"https://github.com/biniamf/pocs/tree/main/mupdf-cff-indexload-oobread","tags":["exploit","Exploit","evidence"]},{"url":"https://artifex.com/","tags":["product","Product","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7233","tags":["advisory"]},{"url":"https://artifex.com"},{"url":"https://github.com/advisories/GHSA-82r2-3cm6-cxw2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7233.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-7233","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-7233","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-7233","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-7233","title":"Artifex MuPDF CFF Index subset-cff.c fz_subset_cff_for_gids out-of-bounds","description":"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 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.","status":"published","published":"2026-04-28T06:00:18.874Z","modified":"2026-11-01T07:27:29.629Z","cvss":[{"version":"4.0","score":4.8,"vector":"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","level":"medium","assessor":"cna"},{"version":"3.1","score":3.3,"vector":"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","level":"low","assessor":"cna"},{"version":"3.0","score":3.3,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","level":"low","assessor":"cna"},{"version":"2.0","score":1.7,"vector":"AV:L/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-125","CWE-119"],"updated_at":"2026-11-02T14:20:06.216584Z"}],"euvd":[{"id":"EUVD-2026-26000","description":"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 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.","status":"published","published":"2026-04-28T06:00:18Z","modified":"2026-11-01T07:27:29Z","cvss":[{"version":"4.0","score":4.8,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T16:58:49.629727Z"}],"ghsa":[{"id":"GHSA-82r2-3cm6-cxw2","title":"A vulnerability was determined in Artifex MuPDF up to 1.28.0. The impacted element is the...","description":"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.","status":"published","published":"2026-04-28T09:34:13Z","modified":"2026-11-01T09:31:28Z","cvss":[{"version":"4.0","score":1.9,"vector":"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","level":"low"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:14:54.535223Z"}],"nvd":[{"id":"CVE-2026-7233","description":"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 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.","status":"published","published":"2026-04-28T07:16:04.067Z","modified":"2026-11-01T08:17:43.85Z","cvss":[{"version":"4.0","score":1.9,"vector":"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","level":"low","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":1.7,"vector":"AV:L/AC:L/Au:S/C:P/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-02T14:12:16.252509Z"}],"osv":[{"id":"CVE-2026-7233","title":"Artifex MuPDF CFF Index subset-cff.c fz_subset_cff_for_gids out-of-bounds","description":"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 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.","status":"published","published":"2026-04-28T06:00:18.874Z","modified":"2026-11-03T02:30:52.876748676Z","cvss":[{"version":"4.0","score":1.9,"vector":"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","level":"low"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-03T03:05:53.289262Z"},{"id":"DEBIAN-CVE-2026-7233","description":"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 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.","status":"published","published":"2026-04-28T07:16:04.067Z","modified":"2026-11-02T11:47:45.174135515Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:46:02.499355Z"},{"id":"UBUNTU-CVE-2026-7233","description":"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 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.","status":"published","published":"2026-04-28T07:16:00Z","modified":"2026-11-05T11:47:38.190681814Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"medium"},{"version":"4.0","score":1.9,"vector":"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","level":"low"}],"updated_at":"2026-11-05T13:30:00.949926Z"}]}}