Provide references for CVE-2020-9272.
Where can I find more information about CVE-2020-9272?
References are available at: https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES, https://github.com/proftpd/proftpd/issues/902, http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00002.html, https://security.gentoo.org/glsa/202003-35, https://cert-portal.siemens.com/productcert/pdf/ssa-679335.pdf.