Provide references for CVE-2021-21424.
Where can I find more information about CVE-2021-21424?
References are available at: https://github.com/symfony/symfony/security/advisories/GHSA-5pv8-ppvj-4h68, https://github.com/symfony/symfony/commit/2a581d22cc621b33d5464ed65c4bc2057f72f011, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KENRNLB3FYXYGDWRBH2PDBOZZKOD7VY4/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VRUS2H2SSOQWNLBD35SKIWIDQEMV2PD3/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UC7BND775DVZDQT3RMGD2HVB2PKLJDJW/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RH7TMM5CHQYBFFGXWRPJDPB3SKCZXI2M/, https://lists.debian.org/debian-lts-announce/2023/07/msg00014.html.