Apple : Security Vulnerabilities, CVEs, Published In July 2011 (Information Leak)

WebKit in Apple Safari before 5.0.6 allows user-assisted remote attackers to read arbitrary files via vectors related to improper canonicalization of URLs within RSS feeds.

Apple Safari before 5.0.6 provides AutoFill information to scripts that execute before HTML form submission, which allows remote attackers to obtain Address Book information via a crafted form, as demonstrated by a form that includes non-visible fields.