CVE-2008-3660
PHP 4.4.x before 4.4.9, and 5.x through 5.2.6, when used as a FastCGI module, allows remote attackers to cause a denial of service (crash) via a request with multiple dots preceding the extension, as demonstrated using foo..php.
Date published : 2008-08-14
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
http://www.securityfocus.com/archive/1/501376/100/0/threaded