The PHP Development Team announces the immediate availability of PHP 5.5.7. This release fixes some bugs against PHP 5.5.6, and fixes CVE-2013-6420.
All PHP users are encouraged to upgrade to this new version.
For source downloads of PHP 5.5.7, please visit our downloads page. Windows binaries can be found on windows.php.net/download/. The list of changes is recorded in the ChangeLog.