Provide references for CVE-2021-33640.
Where can I find more information about CVE-2021-33640?
References are available at: https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2021-33640&packageName=libtar, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/.