The remote host is missing an update to python2.4 announced via advisory DSA 1667-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201667-1

Several vulnerabilities have been discovered in the interpreter for the Python language. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2008-2315 David Remahl discovered several integer overflows in the stringobject, unicodeobject, bufferobject, longobject, tupleobject, stropmodule, gcmodule, and mmapmodule modules. CVE-2008-3142 Justin Ferguson discovered that incorrect memory allocation in the unicode_resize() function can lead to buffer overflows. CVE-2008-3143 Several integer overflows were discovered in various Python core modules. CVE-2008-3144 Several integer oberflows were discovered in the PyOS_vsnprintf() function. For the stable distribution (etch), these problems have been fixed in version 2.4.4-3+etch2. For the unstable distribution (sid) and the upcoming stable distribution (lenny), these problems have been fixed in version 2.4.5-5. We recommend that you upgrade your python2.4 packages.