This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.
This signature detects attempts to exploit a remote code execution vulnerability in Adobe Flash Player.
Adobe Flash Player is a multimedia application for multiple platforms.
Adobe Flash Player is prone to a remote memory-corruption vulnerability because of a use-after-free error. Specifically, this issue exists in the 'AS3 BitmapData' class.
Attackers can exploit this issue to execute arbitrary code in the context of the user running the affected applications. Failed exploit attempts will likely cause a denial-of-service condition.