This indicates an attack attempt to exploit a Memory Corruption vulnerability in Contaware FreeVimager.
The vulnerability is due to an error when processing GIF images that contains an invalid value for the LZWMinimumCodeSize field. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted GIF image file.
Contaware FreeVimager 4.1.0 and earlier versions
System Compromise: Remote Attackers can gain control of vulnerable systems.
Currently we are unaware of any vendor supplied patch or updates available for this issue.