The remote host is missing an update to libmodplug announced via advisory DSA 1850-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201850-1

Several vulnerabilities have been discovered in libmodplug, the shared libraries for mod music based on ModPlug. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2009-1438 It was discovered that libmodplug is prone to an integer overflow when processing a MED file with a crafted song comment or song name. CVE-2009-1513 It was discovered that libmodplug is prone to a buffer overflow in the PATinst function, when processing a long instrument name. For the stable distribution (lenny), these problems have been fixed in version 1:0.8.4-1+lenny1. For the oldstable distribution (etch), these problems have been fixed in version 1:0.7-5.2+etch1. For the testing distribution (squeeze) and the unstable distribution (sid), this problem has been fixed in version 1:0.8.7-1. We recommend that you upgrade your libmodplug packages.