Adobe has released security updates to address critical vulnerabilities within the ActionScript 3 opaqueBackground and BitmapData classes of Flash Player. Exploitation of these vulnerabilities could allow a remote attacker to execute arbitrary code on a vulnerable system. Versions affected include Adobe Flash Player 9 through 188.8.131.52.
Users and administrators are encouraged to review Adobe Security Bulletin APSB15-18 and apply the necessary updates. Additional information can be found in Vulnerability Notes VU#338736 and VU#918568.