Upgrade to version 5.1.0 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
Vendor URL: http://www.php.net/ Vendor Specific News/Changelog Entry: http://www.php.net/ChangeLog-5.php#5.1.0 Related OSVDB ID: 22472 Related OSVDB ID: 22476 Related OSVDB ID: 22475 Related OSVDB ID: 22473 Related OSVDB ID: 22474