CVE-2015-3721
The kernel in Apple iOS before 8.4 and OS X before 10.10.4 does not properly handle HFS parameters, which allows attackers to obtain sensitive memory-layout information via a crafted app.
Date published : 2015-07-02
http://lists.apple.com/archives/security-announce/2015/Jun/msg00001.html
http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html