The PHP development team has officially announced the release of the latest version in the PHP 5.4.x series that fixes several security issues: PHP 5.4.32.
The PHP development team announces the immediate availability of PHP 5.4.32. 16 bugs were fixed in this release, including the following security-related issues: CVE-2014-2497, CVE-2014-3538, CVE-2014-3587, CVE-2014-3597, CVE-2014-4670, CVE-2014-4698, CVE-2014-5120. All PHP 5.4 users are encouraged to upgrade to this version.
You can view the full list of changes and what part of the language they effect in the changelog. To download this latest version, you can get the source from the downloads page or windows.php.net for Windows users.