CVE-2015-5874
CoreText in Apple iOS before 9 and iTunes before 12.3 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font file.
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/msg00003.html