CVE-2016-4590
WebKit in Apple iOS before 9.3.3 and Safari before 9.1.2 mishandles about: URLs, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.
Date published : 2016-07-21
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
http://lists.apple.com/archives/security-announce/2016/Jul/msg00004.html