This indicates an attack against a Memory Corruption vulnerability has been reported in ImageMagick.
The vulnerability is caused by improper validation of image files. A remote attacker may be able to exploit this to execute arbitrary code on the affected system, via a crafted file.
ImageMagick Studio ImageMagick Prior to commit a7bb158b7bedd1449a34432feb3a67c8f1873bfa
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.