This indicates an attack attempt against a buffer-overflow vulnerability in PhotoFiltre Studio.
The vulnerability is caused by an error when the vulnerable software handles a malicious .tif file. It allows a remote attacker to execute arbitrary code via sending a crafted .tif file.
Photofiltre Studio versions 8.1.1 and 10.3.0; other versions may also be affected.
System Compromise: Remote attackers can gain control of vulnerable systems.
Currently we are not aware of any official patch for this issue.