This script is Copyright (C) 2006-2015 Tenable Network Security, Inc.
The remote Gentoo host is missing one or more security-related
The remote host is affected by the vulnerability described in GLSA-200608-06
(Courier MTA: Denial of Service vulnerability)
Courier MTA has fixed a security issue relating to usernames containing
the '=' character, causing high CPU utilization.
An attacker could exploit this vulnerability by sending a specially
crafted email to a mail gateway running a vulnerable version of Courier
There is no known workaround at this time.
See also :
All Courier MTA users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=mail-mta/courier-0.53.2'
Risk factor :
High / CVSS Base Score : 7.8