Provide references for CVE-2021-40491.
Where can I find more information about CVE-2021-40491?
References are available at: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476, https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd, https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html, https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html.