The remote host is missing updates announced in advisory CLA-2003:633.
The GNU C Library[1] (glibc) is the standard library used by almost any program in a common GNU/Linux system.
Riley Hassell of eEye Digital Security published[2] an advisory about a vulnerability[3][4] in the XDR library used by many different systems, including glibc.
The xdrmem_getbytes() function (and other functions of the xdrmem_* script_family() contains an integer overflow which can be exploited by remote attackers to crash applications which use these functions or even run arbitrary code.
The Common Vulnerabilities and Exposures project has assigned the name CVE-2003-0028 to this issue.
Solution: The apt tool can be used to perform RPM package upgrades by running 'apt-get update' followed by 'apt-get upgrade'