CVE-2021-45942: Debian Linux

Medium severity, CVSS 5.5. EPSS: 1.8% chance of exploitation in the next 30 days.

OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Fedoraproject Fedora: version 34 only; version 35 only; version 36 only
• Openexr Openexr: from 3.1.0, before 3.1.4 (fixed in 3.1.4)

Published 2022-01-01. Last modified 2026-06-17.