Double free vulnerability in Apple Pages 2.x before 2.1 and 5.x before 5.1 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted Microsoft Word file.
http://secunia.com/advisories/56615
http://secunia.com/advisories/56630
http://support.apple.com/kb/HT6117
http://support.apple.com/kb/HT6150
http://support.apple.com/kb/HT6162
http://www.securityfocus.com/bid/65113