Provide references for CVE-2019-19270.
Where can I find more information about CVE-2019-19270?
References are available at: https://github.com/proftpd/proftpd/issues/859, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGBBCPLJSDPFG5EI5P5G7P4KEX7YSD5G/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QR65XUHPCRU3NXTSFVF2J4GWRIHC7AHW/, http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html.