OpenLDAP in Apple Mac OS X 10.4 up to 10.4.6 allows remote attackers to cause a denial of service (crash) via an invalid LDAP request that triggers an assert error.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27480
http://www.vupen.com/english/advisories/2006/2566
http://www.kb.cert.org/vuls/id/652196
http://securitytracker.com/id?1016396
http://secunia.com/advisories/20877
http://lists.apple.com/archives/security-announce/2006/Jun/msg00000.html