CVE-2015-5788
The WebKit Canvas implementation in Apple iOS before 9 allows remote attackers to bypass the Same Origin Policy and obtain sensitive image information via vectors involving a CANVAS element.
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/msg00007.html