GHSA-27m9-m9xq-2vm6HighCVSS 7.8
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability in the...
🔗 CVE IDs covered (1)
📋 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.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-119719
- https://projects.blender.org/blender/blender
- https://projects.blender.org/blender/blender/commit/71c10a0217d5e331b215b76773ad23b64974bd97
- https://projects.blender.org/blender/blender/commit/d723c68112d216099c9b24dab5c8440bab7add08
- https://projects.blender.org/blender/blender/pulls/164279
- https://www.vulncheck.com/advisories/blender-before-4.5.15-and-5-x-before-5.2.3-heap-buffer-overflow-via-thumbnail-extraction
- https://github.com/advisories/GHSA-27m9-m9xq-2vm6