This indicates an attack attempt against a Memory Corruption vulnerability in Adobe Flash Player.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted .swf file. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted .swf file.
Adobe Flash Player 188.8.131.52 and earlier versions for Windows, Macintosh,
Linux and Solaris operating systems
System Compromise: Remote attackers can gain control of vulnerable systems.
Please refer to the following Adobe advisory for the updates: