JLSEC-2026-923 ImageMagick affected by divide-by-zero in ThumbnailImage via montage -geometry ":" leads to crash

Summary Passing a geometry string containing only a colon ":" to montage -geometry leads GetGeometry to set width/height to 0. Later, ThumbnailImage divides by these zero dimensions, triggering a crash SIGFPE/abort, resulting in a denial of service. Details Root Cause 1. montage -geometry ":"...

The vulnerability of the ThumbnailImage() function in the ImageMagick console-based graphics editor allows a hacker to trigger a service failure.

The vulnerability of the ThumbnailImage function in the ImageMagick console-based graphics editor is related to the lack of checks for division by zero. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

ROS-20250930-08

Vulnerability of ImageMagick console graphic editor related to format string error in function "InterpretImageFilename" function. Exploitation of the vulnerability could allow a remote attacker to execute arbitrary code on the target system, execute arbitrary code on the target system Vulnerabili...