High severity7.8NVD Advisory· Published Oct 30, 2026
CVE-2026-119719
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.
Patches
Vulnerability mechanics
References
5- projects.blender.org/blender/blendernvd
- projects.blender.org/blender/blender/commit/71c10a0217d5e331b215b76773ad23b64974bd97nvd
- projects.blender.org/blender/blender/commit/d723c68112d216099c9b24dab5c8440bab7add08nvd
- projects.blender.org/blender/blender/pulls/164279nvd
- www.vulncheck.com/advisories/blender-before-4.5.15-and-5-x-before-5.2.3-heap-buffer-overflow-via-thumbnail-extractionnvd
News mentions
0No linked articles in our index yet.