CVE-2021-20244: Debian Linux

Medium severity, CVSS 5.5. EPSS: 1.2% chance of exploitation in the next 30 days.

A flaw was found in ImageMagick in MagickCore/visual-effects.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
• Fedoraproject Fedora: version 33 only
• ImageMagick ImageMagick: before 7.0.10-62 (fixed in 7.0.10-62)
• Red Hat Enterprise Linux: version 6.0 only; version 7.0 only; version 8.0 only

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