This indicates an attack attempt to exploit a Denial of Service 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. Also a remote attacker may be able to exploit this to cause denial of services conditions within the context of the application.
Adobe Flash Player 184.108.40.206 and earlier versions
Adobe Flash Player 220.127.116.11 and earlier 13.x versions
Adobe Flash Player 18.104.22.1686 and earlier versions for Linux
Adobe AIR desktop runtime 22.214.171.124 and earlier versions
Adobe AIR SDK 126.96.36.199 and earlier versions
Adobe AIR SDK & Compiler 188.8.131.52 and earlier versions
Adobe AIR 184.108.40.206 and earlier versions for Android
Denial of Service: Remote attackers can crash vulnerable systems.
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.