Provide references for CVE-2021-46854.
Where can I find more information about CVE-2021-46854?
References are available at: https://github.com/proftpd/proftpd/issues/1284, https://github.com/proftpd/proftpd/pull/1285, https://bugs.gentoo.org/811495, http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e, https://security.gentoo.org/glsa/202305-03.