CloudLinux is widely used operating system by web hosts. It provides better server security as well as server stability.
CloudLinux also provides multiple PHP version selection. This allows end users to select appropriate PHP version for their accounts. They are also providing security updates for PHP versions which were discontinued by PHP community.
Recently they released an update for HardenedPHP. Following new versions are now available:
alt-php51-5.1.6-56
alt-php52-5.2.17-83
alt-php53-5.3.29-33
If you are using PHP selector with CloudLinux, you can apply this patch by executing following command via SSH:
yum groupinstall alt-php