CVE-2026-119722 — Blender before 4.5.15 and 5.x before 5.2.3 Heap Out-of-Bounds Access via read_struct()

Affected: Blender Foundation Blender

Blender before 4.5.15 and 5.x before 5.2.3 contains a heap out-of-bounds access vulnerability in read_struct() that skips size validation when a .blend file's SDNA struct layout compares equal. Attackers can supply a crafted .blend file with short blocks so field reads, writes, and pointer dereferences overrun heap memory, causing crashes or code execution.

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CVE-2026-119722 — Blender before 4.5.15 and 5.x before 5.2.3 Heap Out-of-Bounds Access via read_struct()