{"id":"CVE-2026-119719","published":"2026-10-30T16:17:55.473","lastModified":"2026-10-30T19:14:38.697","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.","cvssScore":7.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-190"],"vendors":[],"products":[],"references":[{"url":"https://projects.blender.org/blender/blender","tags":[]},{"url":"https://projects.blender.org/blender/blender/commit/71c10a0217d5e331b215b76773ad23b64974bd97","tags":[]},{"url":"https://projects.blender.org/blender/blender/commit/d723c68112d216099c9b24dab5c8440bab7add08","tags":[]},{"url":"https://projects.blender.org/blender/blender/pulls/164279","tags":[]},{"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":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}