The PHP team released PHP 5.3.10 yesterday, fixing a remote code execution vulnerability introduced on PHP 5.3.9.

This version is already installed in all Shared Hosting servers with PHP 5.3 and is available to all VPS customers. If your VPS is using our RPM or Deb package repository, you can simple upgrade PHP by running:

# CentOS

$ yum upgrade php53-*

# Ubuntu

$ apt-get upgrade php53-*

If your VPS is not using our repository, and you want to switch, take a look at this Knowledge Base articles:

If you are using a PHP installation compiled from source, you can follow these instructions to upgrade PHP:

As always, if you have any questions, please contact Customer Support.