CVE-2015-5879

XNU in the kernel in Apple iOS before 9 does not properly validate the headers of TCP packets, which allows remote attackers to bypass the sequence-number protection mechanism and cause a denial of service (TCP connection disruption) via a crafted header.

Date published : 2015-09-18

http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html

http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html