AIKIDO-2026-467152
AcademySoftwareFoundation.openexr is vulnerable to Heap-based Buffer Overflow
33
Low Risk
This Affects:
AcademySoftwareFoundation.openexrTL;DR
The exrmultipart convert path sizes channel-store buffers with values that truncate on ILP32 builds for oversized images. A crafted EXR processed by exrmultipart can therefore cause a heap buffer overflow on 32-bit builds. The fix rejects or correctly sizes the oversized channel-store allocation.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you run the 32-bit (ILP32) exrmultipart tool's convert path on untrusted EXR files.
Background info
AcademySoftwareFoundation.openexr is vulnerable to Heap-based Buffer Overflow in versions 2.0.0 - 3.4.13.
How to fix this
Upgrade the AcademySoftwareFoundation.openexr library to the patch version.
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