CVE-2008-2665
Directory traversal vulnerability in the posix_access function in PHP 5.2.6 and earlier allows remote attackers to bypass safe_mode restrictions via a .. (dot dot) in an http URL, which results in the URL being canonicalized to a local filename after the safe_mode check has successfully run.
Date published : 2008-06-19
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html