CVE-2026-41142 — OpenEXR is Vulnerable to Integer overflow in ImageChannel::resize leads to heap OOB write via OpenEXRUtil public API

Description (CNA)

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From versions 3.0.0 to before 3.2.9, 3.3.0 to before 3.3.11, and 3.4.0 to before 3.4.11, there is an integer overflow in ImageChannel::resize that leads to heap OOB write via OpenEXRUtil public API. This issue has been patched in versions 3.2.9, 3.3.11, and 3.4.11.

Affected (CNA)

Vendor / product	Versions
AcademySoftwareFoundation / openexr	affected >= 3.0.0, < 3.2.9; affected >= 3.3.0, < 3.3.11; affected >= 3.4.0, < 3.4.11

CWE

CWE-190

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

redhat-SADP

A flaw was found in OpenEXR, an image storage format library for the motion picture industry. An integer overflow vulnerability exists in the ImageChannel::resize function, which can be triggered when processing a specially crafted OpenEXR image file through the OpenEXRUtil public API. This can lead to a heap out-of-bounds write, potentially allowing a remote attacker to achieve arbitrary code execution, disclose sensitive information, or cause a denial of service.