Provide references for CVE-2020-21047.
Where can I find more information about CVE-2020-21047?
References are available at: https://sourceware.org/bugzilla/show_bug.cgi?id=25068, https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8, https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html.