Make sure your flash player version is updated to the latest version guys.
More info: http://www.adobe.com/support/security/advisories/apsa11-02.html (http://www.adobe.com/support/security/advisories/apsa11-02.html)
Firefox & other browsers download (http://fpdownload.adobe.com/get/flashplayer/current/install_flash_player.exe)
Internet Explorer download (http://fpdownload.adobe.com/get/flashplayer/current/install_flash_player_ax.exe)