The remote host is missing an update to foomatic-filters announced via advisory DSA 2380-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%202380-1

It was discovered that the foomatic-filters, a support package for setting up printers, allowed authenticated users to submit crafted print jobs which would execute shell commands on the print servers. CVE-2011-2697 was assigned to the vulnerability in the Perl implementation included in lenny, and CVE-2011-2964 to the vulnerability affecting the C reimplementation part of squeeze. For the oldstable distribution (lenny), this problem has been fixed in version 3.0.2-20080211-3.2+lenny1. For the stable distribution (squeeze), this problem has been fixed in version 4.0.5-6+squeeze1. For the testing distribution (wheezy) and the unstable distribution (sid), this problem has been fixed in version 4.0.9-1. We recommend that you upgrade your foomatic-filters packages.