Provide references for CVE-2021-32558.
Where can I find more information about CVE-2021-32558?
References are available at: http://seclists.org/fulldisclosure/2021/Jul/49, http://packetstormsecurity.com/files/163639/Asterisk-Project-Security-Advisory-AST-2021-008.html, https://downloads.asterisk.org/pub/security/AST-2021-008.html, https://issues.asterisk.org/jira/browse/ASTERISK-29392, https://lists.debian.org/debian-lts-announce/2021/08/msg00005.html, https://www.debian.org/security/2021/dsa-4999.