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 prone to a race condition vulnerability in the shader class, in which asynchronously modifying the width/height of a shader object while starting a shader job will result in a memory corruption vulnerability which in turn can lead to remote code execution.
- Various Flash Player versions.