A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-20311
• https://bugzilla.redhat.com/show_bug.cgi?id=1946739