En Adobe han publicado una actualización importante, si lo usas, que seguro que si te habrá saltado la actualización. Si no, corre a por la nueva versión que es importante porque podrían tomar el control de tu Mac.

Adobe has released security updates for Adobe Flash Player for Windows, Macintosh and Linux. These updates address vulnerabilities that could potentially allow an attacker to take control of the affected system.


Adobe is aware of a report that an exploit for CVE-2015-3043 exists in the wild, and recommends users update their product installations to the latest versions:


Users of the Adobe Flash Player desktop runtime for Windows and Macintosh should update to Adobe Flash Player 17.0.0.169.


Users of the Adobe Flash Player Extended Support Release should update to Adobe Flash Player 13.0.0.281.


Users of Adobe Flash Player for Linux should update to Adobe Flash Player 11.2.202.457.


Adobe Flash Player installed with Google Chrome, as well as Internet Explorer on Windows 8.x, will automatically update to version 17.0.0.169 when available.

Para actualizar siempre desde su web oficial

https://get2.adobe.com/es/flashplayer/