The PHP development group has officially posted the latest in the PHP 5.4.x series of the language - PHP 5.4.27, a bugfix release that includes the security fix for CVE-2013-7345.
The PHP development team announces the immediate availability of PHP 5.4.27. 6 bugs were fixed in this release, including CVE-2013-7345. All PHP 5.4 users are encouraged to upgrade to this version.
Other updates include fixes to the GMP, Mail, OpenSSL and MySQLi extensions. As usual, you can download this latest release from the downloads page or on the Windows site for the binaries. For a complete list of changes, see the latest notes in the Changelog.