CVE-2026-41142: Openexr

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

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 products

• Openexr Openexr: from 3.0.0, before 3.2.9 (fixed in 3.2.9); from 3.3.0, before 3.3.11 (fixed in 3.3.11); from 3.4.0, before 3.4.11 (fixed in 3.4.11)

Published 2026-05-07. Last modified 2026-07-15.