Multiple integer overflows in the SearchKit API in Apple Mac OS X 10.4.11 and 10.5 through 10.5.4 allow context-dependent attackers to cause a denial of service (application crash) or execute arbitrary code via vectors associated with "passing untrusted input" to unspecified API functions.
https://exchange.xforce.ibmcloud.com/vulnerabilities/45172
http://www.vupen.com/english/advisories/2008/2584
http://www.us-cert.gov/cas/techalerts/TA08-260A.html
http://www.securityfocus.com/bid/31189
http://securitytracker.com/id?1020880
http://secunia.com/advisories/31882
http://lists.apple.com/archives/security-announce//2008/Sep/msg00005.html