CVE-2021-20241: Debian Linux

Medium severity, CVSS 5.5. EPSS: 1.1% chance of exploitation in the next 30 days.

A flaw was found in ImageMagick in coders/jp2.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. The highest threat from this vulnerability is to system availability.

Affected products

• Debian Debian Linux: version 9.0 only
• ImageMagick ImageMagick: before 6.9.11-62 (fixed in 6.9.11-62); from 7.0.10, before 7.0.10-62 (fixed in 7.0.10-62)

Published 2021-03-09. Last modified 2026-06-17.