WebKit in Apple Safari before 6.2.8, 7.x before 7.1.8, and 8.x before 8.0.8, as used in iOS before 8.4.1 and other products, allows remote attackers to bypass a Content Security Policy protection mechanism by using a video control in conjunction with an IMG element within an OBJECT element.
https://support.apple.com/kb/HT205033
https://support.apple.com/kb/HT205030
http://www.securitytracker.com/id/1033274
http://www.securityfocus.com/bid/76341
http://lists.opensuse.org/opensuse-updates/2016-03/msg00054.html
http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html
http://lists.apple.com/archives/security-announce/2015/Aug/msg00000.html