Provide references for CVE-2021-38499.
Where can I find more information about CVE-2021-38499?
References are available at: https://www.mozilla.org/security/advisories/mfsa2021-43/, https://bugzilla.mozilla.org/buglist.cgi?bug_id=1667102%2C1723170%2C1725356%2C1727364.