Provide references for CVE-2021-4189.
Where can I find more information about CVE-2021-4189?
References are available at: https://bugs.python.org/issue43285, https://python-security.readthedocs.io/vuln/ftplib-pasv.html, https://github.com/python/cpython/commit/0ab152c6b5d95caa2dc1a30fa96e10258b5f188e, https://security-tracker.debian.org/tracker/CVE-2021-4189, https://bugzilla.redhat.com/show_bug.cgi?id=2036020, https://access.redhat.com/security/cve/CVE-2021-4189, https://security.netapp.com/advisory/ntap-20221104-0004/, https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html, https://lists.debian.org/debian-lts-announce/2023/06/msg00039.html.