Provide references for CVE-2021-3563.
Where can I find more information about CVE-2021-3563?
References are available at: https://bugs.launchpad.net/ossa/+bug/1901891, https://bugzilla.redhat.com/show_bug.cgi?id=1962908, https://access.redhat.com/security/cve/CVE-2021-3563, https://security-tracker.debian.org/tracker/CVE-2021-3563, https://lists.debian.org/debian-lts-announce/2024/01/msg00007.html.