The remote host is missing updates announced in advisory CLSA-2005:1024.
This announcement fixes an eval injection vulnerability in PEAR XML-RPC allows remote attackers to execute arbitrary PHP code via certain nested XML tags in a PHP document that should not be nested, which are injected into an eval function call.
Solution: The apt tool can be used to perform RPM package upgrades by running 'apt-get update' followed by 'apt-get upgrade'