The remote host is missing an update to httrack announced via advisory DSA 1626-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201626-1

Joan Calvet discovered that httrack, a utility to create local copies of websites, is vulnerable to a buffer overflow potentially allowing to execute arbitrary code when passed excessively long URLs. For the stable distribution (etch), this problem has been fixed in version 3.40.4-3.1+etch1. For the testing (lenny) and unstable distribution (sid), this problem has been fixed in version 3.42.3-1. We recommend that you upgrade your httrack package.