http://helpx.adobe.com/security/products/flash-player/apsb13-28.html
Details
Adobe has released security updates for Adobe Flash Player 11.9.900.152 and earlier versions for Windows and Macintosh and Adobe Flash Player 11.2.202.327 and earlier versions for Linux. These updates address vulnerabilities that could cause a crash and potentially allow an attacker to take control of the affected system. Adobe is aware of reports that an exploit designed to trick the user into opening a Microsoft Word document with malicious Flash (.swf) content exists for CVE-2013-5331. Adobe Flash Player 11.6 and later provide a mitigation against this attack.
Adobe recommends users update their product installations to the latest versions:
Users of Adobe Flash Player 11.9.900.152 and earlier versions for Windows and Macintosh should update to Adobe Flash Player 11.9.900.170.
Users of Adobe Flash Player 11.2.202.327 and earlier versions for Linux should update to Adobe Flash Player 11.2.202.332.
Adobe Flash Player 11.9.900.152 installed with Google Chrome will automatically be updated to the latest Google Chrome version, which will include Adobe Flash Player 11.9.900.170 for Windows, Macintosh and Linux.
Adobe Flash Player 11.9.900.152 installed with Internet Explorer 10 will automatically be updated to the latest Internet Explorer 10 version, which will include Adobe Flash Player 11.9.900.170 for Windows 8.0
Adobe Flash Player 11.9.900.152 installed with Internet Explorer 11 will automatically be updated to the latest Internet Explorer 11 version, which will include Adobe Flash Player 11.9.900.170 for Windows 8.1
Users of Adobe AIR 3.9.0.1210 and earlier versions for Windows and Macintosh should update to Adobe AIR 3.9.0.1380.
Users of Adobe AIR 3.9.0.1210 and earlier versions for Android should update to Adobe AIR 3.9.0.1380.
Users of the Adobe AIR 3.9.0.1210 SDK and earlier versions should update to the Adobe AIR 3.9.0.1380 SDK.
Users of the Adobe AIR 3.9.0.1210 SDK & Compiler and earlier versions should update to the Adobe AIR 3.9.0.1380 SDK & Compiler.
These updates resolve a type confusion vulnerability that could lead to code execution (CVE-2013-5331).
These updates resolve a memory corruption vulnerability that could lead to code execution (CVE-2013-5332).
