CFNetwork in Apple iOS before 8.1.1 and OS X before 10.10.1 does not properly clear the browsing cache upon a transition out of private-browsing mode, which makes it easier for physically proximate attackers to obtain sensitive information by reading cache files.
https://support.apple.com/en-us/HT6591
https://support.apple.com/en-us/HT6590
https://support.apple.com/en-us/HT204419
https://support.apple.com/en-us/HT204418
https://exchange.xforce.ibmcloud.com/vulnerabilities/98783
http://www.securitytracker.com/id/1031230
http://www.securityfocus.com/bid/71135
http://support.apple.com/HT204244
http://lists.apple.com/archives/security-announce/2015/Jan/msg00003.html
http://lists.apple.com/archives/security-announce/2014/Nov/msg00001.html
http://lists.apple.com/archives/security-announce/2014/Nov/msg00000.html