This indicates an attack attempt to exploit 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 and Macintosh
Adobe Flash Player 184.108.40.2069 and earlier versions for Linux
Adobe AIR 220.127.116.11 SDK and earlier versions
Adobe AIR 18.104.22.168 SDK & Compiler and earlier versions
Adobe AIR 22.214.171.124 and earlier versions for Android
Adobe AIR 126.96.36.199 and earlier versions for Windows and Macintosh
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.