Provide references for CVE-2019-12815.
Where can I find more information about CVE-2019-12815?
References are available at: https://tbspace.de/cve201912815proftpd.html, http://bugs.proftpd.org/show_bug.cgi?id=4372, https://github.com/proftpd/proftpd/pull/816, http://www.securityfocus.com/bid/109339, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XM5FPBAGSIKV6YJZEPM6GPGJO5JFT7XU/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OJDQ3XUYWO42TJBO53NUWDZRA35QMVEI/, https://seclists.org/bugtraq/2019/Aug/3, https://www.debian.org/security/2019/dsa-4491, https://lists.debian.org/debian-lts-announce/2019/08/msg00006.html, http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00004.html, http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00022.html, https://security.gentoo.org/glsa/201908-16, http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html, https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf.