The kernel in Apple iOS before 8.3, Apple OS X before 10.10.3, and Apple TV before 7.2 does not properly determine whether an IPv6 packet had a local origin, which allows remote attackers to bypass an intended network-filtering protection mechanism via a crafted packet.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.