The remote host is missing updates announced in advisory CLSA-2005:1052.
This announcement fixes two vulnerabilities in libungif:
CVE-2005-2974 libungif could allow remote attackers to cause a denial of service via a specially crafted GIF file that triggers a null dereference.
CVE-2005-3350 libungif could allow remote attackers to corrupt memory and possibly execute arbitrary code via a specially crafted GIF file that leads to an out-of-bounds write.
Solution: The apt tool can be used to perform RPM package upgrades by running 'apt-get update' followed by 'apt-get upgrade'