Provide references for CVE-2018-11440.
Where can I find more information about CVE-2018-11440?
References are available at: https://usn.ubuntu.com/3669-1/, http://www.securityfocus.com/bid/104321, https://github.com/liblouis/liblouis/issues/575, http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00038.html.