This script is Copyright (C) 2008-2013 Tenable Network Security, Inc.
The remote Gentoo Linux host is not up-to-date.
According to its timestamp, the portage tree on the remote Gentoo
system has not been updated for at least two years. This almost
certainly means that security updates are missing and that it is
affected by multiple vulnerabilities.
See also :
Update your system. For example :
# emerge --sync
# emerge -u system -v --newuse
# emerge -u world -D -v --newuse
Risk factor :
Critical / CVSS Base Score : 10.0