CVE-2014-4496
The mach_port_kobject interface in the kernel in Apple iOS before 8.1.3 and Apple TV before 7.0.3 does not properly restrict kernel-address and heap-permutation information, which makes it easier for attackers to bypass the ASLR protection mechanism via a crafted app.
Date published : 2015-01-30
http://lists.apple.com/archives/security-announce/2015/Jan/msg00000.html
http://lists.apple.com/archives/security-announce/2015/Jan/msg00001.html