Integer overflow in Adobe Flash Player before 18.0.0.375 and 19.x through 23.x before 23.0.0.162 on Windows and OS X and before 11.2.202.635 on Linux allows attackers to execute arbitrary code via unspecified vectors.
https://security.gentoo.org/glsa/201610-10
https://helpx.adobe.com/security/products/flash-player/apsb16-29.html