{"id":"CVE-2026-119721","aliases":["DEBIAN-CVE-2026-119721","EUVD-2026-114126","GHSA-8hxf-4775-5j3p","UBUNTU-CVE-2026-119721"],"status":"published","title":"Blender before 4.5.15 and 5.x before 5.2.3 Out-of-Bounds Read via blo_bhead_id Accessors","description":"Blender before 4.5.15 and 5.x before 5.2.3 contains an out-of-bounds read vulnerability in blo_bhead_id_* accessors in readfile.cc that read ID fields without block length checks. Attackers can supply a crafted .blend file with short ID blocks that, when browsed or appended from, causes heap over-reads leading to crashes or heap memory disclosure.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00168,"percentile":0.06277,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-10-30T15:16:17Z","modified":"2026-11-08T17:00:06Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1+dfsg-2","3.6.2+dfsg-1","3.6.2+dfsg-2","4.0.2+dfsg-1","4.1.1+dfsg-1","4.1.1+dfsg-2","4.1.1+dfsg-3","4.2.1+dfsg-1","4.2.2+dfsg-1","4.2.3+dfsg-1","4.2.3+dfsg-2","4.2.3+dfsg-3","4.3.0+dfsg-1","4.3.2+dfsg-1","4.3.2+dfsg-2","5.0.1+dfsg-1","5.0.1+dfsg-2","5.0.1+dfsg-3","5.0.1+dfsg-4","5.0.1+dfsg-5","5.0.1+dfsg-6","5.0.1+dfsg-7","5.0.1+dfsg-8","5.0.1+dfsg-9","5.2.2+dfsg-1"]},{"source":"osv","ecosystem":"Debian:13","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.2+dfsg-2","5.0.1+dfsg-1","5.0.1+dfsg-2","5.0.1+dfsg-3","5.0.1+dfsg-4","5.0.1+dfsg-5","5.0.1+dfsg-6","5.0.1+dfsg-7","5.0.1+dfsg-8","5.0.1+dfsg-9","5.2.2+dfsg-1"]},{"source":"osv","ecosystem":"Debian:14","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.2+dfsg-2","5.0.1+dfsg-1","5.0.1+dfsg-2","5.0.1+dfsg-3","5.0.1+dfsg-4","5.0.1+dfsg-5","5.0.1+dfsg-6","5.0.1+dfsg-7","5.0.1+dfsg-8","5.0.1+dfsg-9","5.2.2+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.74+dfsg0-4build2","2.75.a+dfsg0-2ubuntu2","2.75.a+dfsg0-2ubuntu3","2.76.b+dfsg0-3","2.76.b+dfsg0-3build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.78.c+dfsg0-2build1","2.79+dfsg0-2build1","2.79+dfsg0-3","2.79+dfsg0-3build1","2.79.b+dfsg0-1","2.79.b+dfsg0-1ubuntu1.18.04.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.80+dfsg-3","2.80+dfsg-3build1","2.80+dfsg-4","2.81.a+dfsg-5build3","2.82+dfsg-1","2.82+dfsg-1build1","2.82.a+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.93.3+dfsg-3","2.93.5+dfsg-1","2.93.5+dfsg-1build1","3.0.1+dfsg-7"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.2+dfsg-2ubuntu1","3.6.2+dfsg-2ubuntu2","4.0.2+dfsg-1ubuntu1","4.0.2+dfsg-1ubuntu2","4.0.2+dfsg-1ubuntu4","4.0.2+dfsg-1ubuntu6","4.0.2+dfsg-1ubuntu7","4.0.2+dfsg-1ubuntu8"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.1+dfsg-1ubuntu1","5.0.1+dfsg-1ubuntu3","5.0.1+dfsg-3build1","5.0.1+dfsg-5"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.2+dfsg-2ubuntu2","5.0.1+dfsg-1ubuntu1"]}],"products":[{"vendor":"blender","product":"blender"},{"vendor":"blender foundation","product":"blender"}],"references":[{"url":"https://projects.blender.org/blender/blender/pulls/164279","tags":["patch","Issue Tracking","Patch","fix","report"]},{"url":"https://projects.blender.org/blender/blender/commit/c5d6faf04bf3f17efb6c404896ef0e7427784da5","tags":["patch","Patch","fix","report"]},{"url":"https://projects.blender.org/blender/blender/commit/7de4986e74ed47f67e78eb4b76609bb6d1ae8a0e","tags":["patch","Patch","fix","report"]},{"url":"https://projects.blender.org/blender/blender/commit/495deb9efff880c42aa88110aec0ea2c0fb1eb07","tags":["patch","Patch","fix","report"]},{"url":"https://projects.blender.org/blender/blender/commit/94d99b362b0d236dcf07a96c1c8f9f5389d0583c","tags":["patch","Patch","fix","report"]},{"url":"https://projects.blender.org/blender/blender","tags":["product","Product","web","report"]},{"url":"https://www.vulncheck.com/advisories/blender-before-4.5.15-and-5-x-before-5.2.3-out-of-bounds-read-via-blo-bhead-id-accessors","tags":["third-party-advisory","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119721","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8hxf-4775-5j3p"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/119xxx/CVE-2026-119721.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-119721","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-119721","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-119721","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-119721","title":"Blender before 4.5.15 and 5.x before 5.2.3 Out-of-Bounds Read via blo_bhead_id Accessors","description":"Blender before 4.5.15 and 5.x before 5.2.3 contains an out-of-bounds read vulnerability in blo_bhead_id_* accessors in readfile.cc that read ID fields without block length checks. Attackers can supply a crafted .blend file with short ID blocks that, when browsed or appended from, causes heap over-reads leading to crashes or heap memory disclosure.","status":"published","published":"2026-10-30T15:16:17.738Z","modified":"2026-10-30T18:36:11.655Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:20:10.143031Z"}],"euvd":[{"id":"EUVD-2026-114126","description":"Blender before 4.5.15 and 5.x before 5.2.3 contains an out-of-bounds read vulnerability in blo_bhead_id_* accessors in readfile.cc that read ID fields without block length checks. Attackers can supply a crafted .blend file with short ID blocks that, when browsed or appended from, causes heap over-reads leading to crashes or heap memory disclosure.","status":"published","published":"2026-10-30T15:16:17Z","modified":"2026-10-30T18:36:11Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:59:02.630385Z"}],"ghsa":[{"id":"GHSA-8hxf-4775-5j3p","title":"Blender before 4.5.15 and 5.x before 5.2.3 contains an out-of-bounds read vulnerability in...","description":"Blender before 4.5.15 and 5.x before 5.2.3 contains an out-of-bounds read vulnerability in blo_bhead_id_* accessors in readfile.cc that read ID fields without block length checks. 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Attackers can supply a crafted .blend file with short ID blocks that, when browsed or appended from, causes heap over-reads leading to crashes or heap memory disclosure.","status":"published","published":"2026-10-30T16:17:55.767Z","modified":"2026-11-03T16:02:08.457Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/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":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-03T18:16:47.292219Z"}],"osv":[{"id":"CVE-2026-119721","title":"Blender before 4.5.15 and 5.x before 5.2.3 Out-of-Bounds Read via blo_bhead_id Accessors","description":"Blender before 4.5.15 and 5.x before 5.2.3 contains an out-of-bounds read vulnerability in blo_bhead_id_* accessors in readfile.cc that read ID fields without block length checks. 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Attackers can supply a crafted .blend file with short ID blocks that, when browsed or appended from, causes heap over-reads leading to crashes or heap memory disclosure.","status":"published","published":"2026-10-30T16:17:00Z","modified":"2026-11-05T04:42:52Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-05T13:33:25.727744Z"}]}}