Provide references for CVE-2018-20349.
Where can I find more information about CVE-2018-20349?
References are available at: https://github.com/igraph/igraph/issues/1141, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NCGDUNQYLSZLSGN6JJBORVFW46U3A75Y/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OWCGXEINKJM3JQUPVCSN4RBTRKWBTYI7/, https://lists.debian.org/debian-lts-announce/2019/12/msg00038.html.