Provide references for CVE-2020-23856.
Where can I find more information about CVE-2020-23856?
References are available at: https://lists.gnu.org/archive/html/bug-cflow/2020-07/msg00000.html, https://github.com/yangjiageng/PoC/blob/master/PoC_cflow_uaf_parser_line1284, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZTTKZX274BVFZX7TMPEZG6UWL6UPMQF/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BLSXGFK2NYPCJMPHSHE3W56ZU3ZO6RD7/.