Use-after-free vulnerability in Adobe Flash Player before 18.0.0.352 and 19.x through 21.x before 21.0.0.242 on Windows and OS X and before 11.2.202.621 on Linux allows attackers to execute arbitrary code via unspecified vectors a different vulnerability than CVE-2016-1097 CVE-2016-1106 CVE-2016-1107 CVE-2016-1108 CVE-2016-1109 CVE-2016-1110 CVE-2016-4108 and CVE-2016-4110.