The remote Gentoo host is missing one or more security-related patches.
The remote host is affected by the vulnerability described in GLSA-201803-01 (Exim: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in Exim. Please review the CVE identifiers referenced below for details. Impact : A remote attacker, by connecting to the SMTP listener daemon, could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition. Workaround : There is no known workaround at this time.
All Exim users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose '>=mail-mta/exim-4.90.1'