Adobe Flash Vulnerability

Adobe has released security updates for Adobe Flash Player 12.0.0.44 and earlier versions for Windows and Macintosh and Adobe Flash Player 11.2.202.336 and earlier versions for Linux. These updates address vulnerabilities that could potentially allow an attacker to take control of the affected system. Adobe is aware of reports that an exploit for CVE-2014-0502 exists in the wild, and recommends users update their product installations to the latest versions.

You can find some tips regarding Flash here;
http://bfblogg.wpengine.com/blog/bf-sirt-newsletter-2014-07/

More information: http://helpx.adobe.com/security/products/flash-player/apsb14-07.html