Provide references for CVE-2021-43332.
Where can I find more information about CVE-2021-43332?
References are available at: https://bugs.launchpad.net/mailman/+bug/1949403, https://mail.python.org/archives/list/mailman-announce%40python.org/message/I2X7PSFXIEPLM3UMKZMGOEO3UFYETGRL/, https://lists.debian.org/debian-lts-announce/2022/06/msg00011.html.