CVE-2021-29338: Debian Linux

Medium severity, CVSS 5.5. EPSS: 1.6% chance of exploitation in the next 30 days.

Integer Overflow in OpenJPEG v2.4.0 allows remote attackers to crash the application, causing a Denial of Service (DoS). This occurs when the attacker uses the command line option "-ImgDir" on a directory that contains 1048576 files.

Affected products

• Debian Debian Linux: version 9.0 only
• Fedoraproject Fedora: version 33 only; version 34 only
• Uclouvain Openjpeg: version 2.4.0 only

Published 2021-04-14. Last modified 2026-06-17.