Adobe issues out-of-band security patch for Flash Player product. Windows, Mac and Linux users advised to update their systems. Adobe is aware of reports that the integer underflow vulnerability is being exploited in the wild by attackers. The security patch addresses a critical vulnerability that could potentially allow an attacker to remotely take control of the affected system Users of Adobe Flash Player 12.0.43 and earlier versions for Windows and. Macintosh should update to Adobe. Flash Player. for Windows, Macintosh and Linux.”]
Source: https://grahamcluley.com/adobe-security-update-flash-player/