Provide references for CVE-2021-4140.
Where can I find more information about CVE-2021-4140?
References are available at: https://www.mozilla.org/security/advisories/mfsa2022-01/, https://www.mozilla.org/security/advisories/mfsa2022-02/, https://www.mozilla.org/security/advisories/mfsa2022-03/, https://bugzilla.mozilla.org/show_bug.cgi?id=1746720.