Apple Safari before 3.2 does not properly prevent caching of form data for form fields that have autocomplete disabled, which allows local users to obtain sensitive information by reading the browser's page cache.
http://www.vupen.com/english/advisories/2008/3232
http://www.securitytracker.com/id?1021226
http://www.securityfocus.com/bid/32291
http://support.apple.com/kb/HT3318
http://support.apple.com/kb/HT3298
http://secunia.com/advisories/32756
http://secunia.com/advisories/32706
http://lists.apple.com/archives/security-announce/2008/Nov/msg00002.html
http://lists.apple.com/archives/security-announce//2008/Nov/msg00001.html