CVE-2021-26945: Openexr

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

An integer overflow leading to a heap-buffer overflow was found in OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR.

Affected products

• Openexr Openexr: before 3.0.1 (fixed in 3.0.1)

Published 2021-06-08. Last modified 2026-06-17.