CVE-2021-3575: Fedoraproject Fedora

High severity, CVSS 7.8. EPSS: 1.5% chance of exploitation in the next 30 days.

A heap-based buffer overflow was found in openjpeg in color.c:379:42 in sycc420_to_rgb when decompressing a crafted .j2k file. An attacker could use this to execute arbitrary code with the permissions of the application compiled against openjpeg.

Affected products

• Fedoraproject Fedora: version 33 only; version 34 only
• Red Hat Enterprise Linux: version 6.0 only; version 7.0 only; version 8.0 only
• Uclouvain Openjpeg: up to and including 2.4.0

Published 2022-03-04. Last modified 2026-06-17.