Provide references for CVE-2021-43557.
Where can I find more information about CVE-2021-43557?
References are available at: https://lists.apache.org/thread/18jyd458ptocr31rnkjs71w4h366mv7h, http://www.openwall.com/lists/oss-security/2021/11/22/1, http://www.openwall.com/lists/oss-security/2021/11/22/2, http://www.openwall.com/lists/oss-security/2021/11/23/1.