On Monday Adobe disclosed that there is a new vulnerability with Flash that may allow attackers to remotely take control of Macs, PCs and Linux computers. They have advised users to update their version of Flash immediately.
The bug affects Flash Player 18.104.22.168 and earlier on the Mac. Users can check the version of Flash installed on their system by visiting Adobe's About Flash Player page. You will find a link on that page to download the latest version.