RHSA-2019:0271-1: Important: systemd security update
Red Hat Enterprise Linux: An update for systemd is now available for Red Hat Enterprise Linux 7.4 ExtendedUpdate Support.Red Hat Product Security has rated this update as having a security impact ofImportant. A Common Vulnerability Scoring System (CVSS) base score, which givesa detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. CVE-2018-16864, CVE-2018-16865
More info:
http://rhn.redhat.com/errata/RHSA-2019-0271.html