CVE-2020-16587: Debian Linux

Medium severity, CVSS 5.5. EPSS: 1.3% chance of exploitation in the next 30 days.

A heap-based buffer overflow vulnerability exists in Academy Software Foundation OpenEXR 2.3.0 in chunkOffsetReconstruction in ImfMultiPartInputFile.cpp that can cause a denial of service via a crafted EXR file.

Affected products

• Debian Debian Linux: version 9.0 only; version 10.0 only
• Openexr Openexr: version 2.3.0 only

Published 2020-12-09. Last modified 2026-06-17.