Integer underflow in Apple iOS before 5.1 allows remote attackers to execute arbitrary code or cause a denial of service (device crash) via a crafted catalog file in an HFS disk image.Referenceshttp://www.securitytracker.com/id?1026774http://support.apple.com/kb/HT5281http://lists.apple.com/archives/security-announce/2012/May/msg00001.htmlhttp://secunia.com/advisories/48288http://lists.apple.com/archives/security-announce/2012/Mar/msg00001.html
