CVE-2021-20244

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.

• CWE-369

• https://bugzilla.redhat.com/show_bug.cgi?id=1928959Issue Tracking, Patch, Third Party Advisory
• https://github.com/ImageMagick/ImageMagick/pull/3194Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/03/msg00030.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/05/msg00020.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1928959Issue Tracking, Patch, Third Party Advisory
• https://github.com/ImageMagick/ImageMagick/pull/3194Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/03/msg00030.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/05/msg00020.html

Published

Mar 9, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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