Provide references for CVE-2021-21660.
Where can I find more information about CVE-2021-21660?
References are available at: https://www.jenkins.io/security/advisory/2021-05-25/#SECURITY-2198, https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-21660, http://www.openwall.com/lists/oss-security/2021/05/25/3.