Provide references for CVE-2021-33503.
Where can I find more information about CVE-2021-33503?
References are available at: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMUGWEAUYGGHTPPXT6YBD53WYXQGVV73/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6SCV7ZNAHS3E6PBFLJGENCDRDRWRZZ6W/, https://security.gentoo.org/glsa/202107-36, https://www.oracle.com/security-alerts/cpuoct2021.html, https://github.com/advisories/GHSA-q2q7-5pp4-w6pg, https://github.com/urllib3/urllib3/commit/2d4a3fee6de2fa45eb82169361918f759269b4ec.