Apple Type Services (ATS) in Apple OS X before 10.10.4 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font file, a different vulnerability than CVE-2015-3679, CVE-2015-3681, and CVE-2015-3682.
http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html