CVE-2021-20312

A flaw was found in ImageMagick in versions 7.0.11, where an integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.

Date published : 2021-05-11

https://bugzilla.redhat.com/show_bug.cgi?id=1946742

https://lists.debian.org/debian-lts-announce/2021/06/msg00000.html