CVE-2015-5860
The CFNetwork HTTPProtocol component in Apple iOS before 9 mishandles HSTS state, which allows remote attackers to bypass the Safari private-browsing protection mechanism and track users via a crafted web site.
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