This indicates an attack attempt to exploit a Memory Corruption vulnerability in OpenJPEG.
The vulnerability is due to an error in checking boundaries when the vulnerable application handles a maliciously crafted JPEG2000 file. A remote attacker may be able to exploit this to execute arbitrary code under the context of the user via a crafted JPEG file.
OpenJPEG OpenJPEG prior to 2.1.2
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the latest update from the vendor.