The remote host is missing an update to gst-plugins-bad0.10 announced via advisory DSA 1851-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201851-1

It was discovered that gst-plugins-bad0.10, the GStreamer plugins from the bad set, is prone to an integer overflow when processing a MED file with a crafted song comment or song name. For the stable distribution (lenny), this problem has been fixed in version 0.10.7-2+lenny2. For the oldstable distribution (etch), this problem has been fixed in version 0.10.3-3.1+etch3. For the testing distribution (squeeze) and the unstable distribution (sid), gst-plugins-bad0.10 links against libmodplug. We recommend that you upgrade your gst-plugins-bad0.10 packages.