CVE-2026-119719Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Thumbnail Extraction

Beschreibung

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.

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

Referenzen und Patches

• https://projects.blender.org/blender/blender/pulls/164279 patchIssue TrackingPatch
• https://projects.blender.org/blender/blender/commit/d723c68112d216099c9b24dab5c8440bab7add08 patchPatch
• https://projects.blender.org/blender/blender/commit/71c10a0217d5e331b215b76773ad23b64974bd97 patchPatch
• https://projects.blender.org/blender/blender productProduct
• VulnCheck Advisory: Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Thumbnail Extraction third-party-advisoryThird Party Advisory