iWork in Apple iOS before 8.3 and Apple OS X before 10.10.3 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted iWork file.
http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
http://lists.apple.com/archives/security-announce/2015/Apr/msg00002.html
http://www.securityfocus.com/bid/73984
http://www.securitytracker.com/id/1032048