Hello!
The PHP Development Team announces the immediate availability of PHP 
5.4.3 and PHP 5.3.13. The releases fix security related issues in a 
previous attempt to fix a CGI vulnerability (CVE-2012-2311).
PHP 5.4.3 also contains a fix for a buffer overflow vulnernability in 
apache_request_headers (CVE-2012-2329).  The PHP 5.3 series is not 
affected.
All users are adviced to update to PHP 5.3.13 or PHP 5.4.3!
PHP 5.4.3: 
Release Announcement: http://www.php.net/releases/5_4_3.php 
Downloads:            http://php.net/downloads.php#v5.4.3 
ChangeLog:            http://www.php.net/ChangeLog-5.php#5.4.3
PHP 5.3.13: 
Release Announcement: http://www.php.net/releases/5_3_13.php 
Downloads:            http://php.net/downloads.php#v5.3.13 
ChangeLog:            http://www.php.net/ChangeLog-5.php#5.3.13
regards, 
Johannes, Stas and David