Provide references for CVE-2018-20545.
Where can I find more information about CVE-2018-20545?
References are available at: https://usn.ubuntu.com/3860-2/, https://bugzilla.redhat.com/show_bug.cgi?id=1652621, https://usn.ubuntu.com/3860-1/, http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00033.html, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6WFGYICNTMNDNMDDUV4G2RYFB5HNJCOV/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PC7EGOEQ5C4OD66ZUJJIIYEXBTZOCMZX/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZSBCRN6EGQJUVOSD4OEEQ6XORHEM2CUL/, https://github.com/cacalabs/libcaca/issues/37, https://github.com/cacalabs/libcaca/commit/3e52dabe3e64dc50f4422effe364a1457a8a8592.