Apple GarageBand before 5.1 reconfigures Safari to accept all cookies regardless of domain name, which makes it easier for remote web servers to track users.
https://exchange.xforce.ibmcloud.com/vulnerabilities/52248
http://www.vupen.com/english/advisories/2009/2141
http://www.securitytracker.com/id?1022649
http://www.securityfocus.com/bid/35926
http://support.apple.com/kb/HT3732
http://secunia.com/advisories/36114
http://lists.apple.com/archives/security-announce/2009/Aug/msg00000.html