Provide references for CVE-2018-16889.
Where can I find more information about CVE-2018-16889?
References are available at: http://www.securityfocus.com/bid/106528, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16889, https://usn.ubuntu.com/4035-1/, https://access.redhat.com/errata/RHSA-2019:2538, https://access.redhat.com/errata/RHSA-2019:2541.