VULNERABILITY INTELLIGENCE

CVE-2021-20243

CVSS score5.5 MEDIUM

EPSS probability1.07%

CISA KEVNot currently listed

Published2021-03-09

Last modified2026-06-17

Description

A flaw was found in ImageMagick in MagickCore/resize.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.