This indicates an attack attempt against a buffer overflow vulnerability in ImTOO MPEG Encoder.
The vulnerability is caused by an error when the vulnerable software handles a specially crafted m3u or cue file. It allows a remote attacker to execute arbitrary code.
Imtoo Mpeg Encoder 3.1.53
System Compromise: Remote attackers can gain control of vulnerable systems.
There are no vendor supplied patches available at this time.