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AIKIDO-2026-466544

AcademySoftwareFoundation.openexr is vulnerable to Information Disclosure

Information DisclosureGHSA-38j8-88v6-jrm7 Published Aug 10, 2026

33

Low Risk

This Affects:

C++AcademySoftwareFoundation.openexr
3.1.0 - 3.4.13
Fixed in 3.4.14
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TL;DR

OpenEXRCore reconstructs pixel channels from an under-filled decode buffer for certain compressed EXR chunks, so uninitialized resource bytes can be copied into caller-visible output. A crafted EXR decoded through the normal library APIs can therefore disclose stale process memory via pixel data. The fix rejects undersized compressed or raw streams before reconstructing full channel rows.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range and you decode untrusted EXR files through OpenEXRCore.

Background info

AcademySoftwareFoundation.openexr is vulnerable to Information Disclosure in versions 3.1.0 - 3.4.13.

How to fix this

Upgrade the AcademySoftwareFoundation.openexr library to the patch version.