IOHIDFamily in Apple iOS before 8 and Apple TV before 7 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (NULL pointer dereference) via an application that provides crafted key-mapping properties.
archives.neohapsis.com/archives/bugtraq/2014-09/0106.html
archives.neohapsis.com/archives/bugtraq/2014-09/0107.html
archives.neohapsis.com/archives/bugtraq/2014-10/0101.html
lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
support.apple.com/kb/HT6441
support.apple.com/kb/HT6442
www.securityfocus.com/bid/69882
www.securityfocus.com/bid/69938
www.securitytracker.com/id/1030866
exchange.xforce.ibmcloud.com/vulnerabilities/96109
support.apple.com/HT204659
support.apple.com/kb/HT6535