{"id":"CVE-2026-119719","aliases":["DEBIAN-CVE-2026-119719","EUVD-2026-114124","GHSA-27m9-m9xq-2vm6","UBUNTU-CVE-2026-119719"],"status":"published","title":"Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Thumbnail Extraction","description":"Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability in the blend file thumbnail extractor caused by 32-bit integer overflow in thumb_data_vertical_flip(). Attackers can craft a .blend file with malicious TEST block dimensions that trigger an out-of-bounds write when blender-thumbnailer or the Windows shell extension previews it, causing crashes or code execution.","severity":{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00156,"percentile":0.04847,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2026-10-30T15:16:16Z","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/d723c68112d216099c9b24dab5c8440bab7add08","tags":["patch","Patch","fix","report"]},{"url":"https://projects.blender.org/blender/blender/commit/71c10a0217d5e331b215b76773ad23b64974bd97","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-heap-buffer-overflow-via-thumbnail-extraction","tags":["third-party-advisory","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119719","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-27m9-m9xq-2vm6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/119xxx/CVE-2026-119719.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-119719","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-119719","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-119719","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-119719","title":"Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Thumbnail Extraction","description":"Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability in the blend file thumbnail extractor caused by 32-bit integer overflow in thumb_data_vertical_flip(). Attackers can craft a .blend file with malicious TEST block dimensions that trigger an out-of-bounds write when blender-thumbnailer or the Windows shell extension previews it, causing crashes or code execution.","status":"published","published":"2026-10-30T15:16:16.337Z","modified":"2026-11-04T22:56:02.873Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-190"],"updated_at":"2026-11-04T23:40:09.430928Z"}],"euvd":[{"id":"EUVD-2026-114124","description":"Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability in the blend file thumbnail extractor caused by 32-bit integer overflow in thumb_data_vertical_flip(). Attackers can craft a .blend file with malicious TEST block dimensions that trigger an out-of-bounds write when blender-thumbnailer or the Windows shell extension previews it, causing crashes or code execution.","status":"published","published":"2026-10-30T15:16:16Z","modified":"2026-11-04T22:56:02Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-05T00:47:41.139684Z"}],"ghsa":[{"id":"GHSA-27m9-m9xq-2vm6","title":"Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability in the...","description":"Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability in the blend file thumbnail extractor caused by 32-bit integer overflow in thumb_data_vertical_flip(). Attackers can craft a .blend file with malicious TEST block dimensions that trigger an out-of-bounds write when blender-thumbnailer or the Windows shell extension previews it, causing crashes or code execution.","status":"published","published":"2026-10-30T18:32:40Z","modified":"2026-10-30T18:32:46Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/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":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T15:14:52.01816Z"}],"nvd":[{"id":"CVE-2026-119719","description":"Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability in the blend file thumbnail extractor caused by 32-bit integer overflow in thumb_data_vertical_flip(). Attackers can craft a .blend file with malicious TEST block dimensions that trigger an out-of-bounds write when blender-thumbnailer or the Windows shell extension previews it, causing crashes or code execution.","status":"published","published":"2026-10-30T16:17:55.473Z","modified":"2026-11-04T23:17:22.697Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/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":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-05T01:45:13.601219Z"}],"osv":[{"id":"CVE-2026-119719","title":"Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Thumbnail Extraction","description":"Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability in the blend file thumbnail extractor caused by 32-bit integer overflow in thumb_data_vertical_flip(). Attackers can craft a .blend file with malicious TEST block dimensions that trigger an out-of-bounds write when blender-thumbnailer or the Windows shell extension previews it, causing crashes or code execution.","status":"published","published":"2026-10-30T15:16:16.337Z","modified":"2026-11-05T21:15:46.913987906Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-05T22:01:21.792402Z"},{"id":"DEBIAN-CVE-2026-119719","description":"Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability in the blend file thumbnail extractor caused by 32-bit integer overflow in thumb_data_vertical_flip(). Attackers can craft a .blend file with malicious TEST block dimensions that trigger an out-of-bounds write when blender-thumbnailer or the Windows shell extension previews it, causing crashes or code execution.","status":"published","published":"2026-10-30T16:17:55.473Z","modified":"2026-11-08T17:00:06.826617076Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/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":"high"}],"updated_at":"2026-11-08T17:07:41.883129Z"},{"id":"UBUNTU-CVE-2026-119719","description":"Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability in the blend file thumbnail extractor caused by 32-bit integer overflow in thumb_data_vertical_flip(). Attackers can craft a .blend file with malicious TEST block dimensions that trigger an out-of-bounds write when blender-thumbnailer or the Windows shell extension previews it, causing crashes or code execution.","status":"published","published":"2026-10-30T16:17:00Z","modified":"2026-11-05T04:42:52Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-05T13:33:25.727744Z"}]}}