PHP.net has posted two new release announcements today, one for PHP 5.4.30 and the other for PHP 5.5.14.

For the PHP 5.4.30 release:

The PHP development team announces the immediate availability of PHP 5.4.30. Over 20 bugs were fixed in this release, including the following security issues: CVE-2014-3981, CVE-2014-0207, CVE-2014-3478, CVE-2014-3479, CVE-2014-3480, CVE-2014-3487, CVE-2014-4049, CVE-2014-3515. All PHP 5.4 users are encouraged to upgrade to this version. Please, note that this release also fixes a backward compatibility issue that has been detected in the PHP 5.4.29 release.

For the PHP 5.5.14 release:

The PHP Development Team announces the immediate availability of PHP 5.5.14. This release fixes several bugs against PHP 5.5.13. Also, this release fixes a total of 8 CVEs, half of them concerning the FileInfo extension. All PHP users are encouraged to upgrade to this new version. Please, note that this release also fixes a backward compatibility issue that has been detected in the PHP 5.5.13 release.

As always you can download these latest releases from the main downloads page (or here for Windows users) and see the complete list of changes in the Changelog.