Adobe has released security updates for Adobe Flash Player and Shockwave Player that could cause a crash and potentially allow an attacker to take control of the affected system, and that could allow an attacker, who successfully exploits this vulnerability, to run malicious code on the affected system.
Find Adobe’s Security Advisories here:
http://helpx.adobe.com/security/products/flash-player/apsb13-28.html
http://helpx.adobe.com/security/products/shockwave/apsb13-29.html