Provide references for CVE-2021-23964.
Where can I find more information about CVE-2021-23964?
References are available at: https://www.mozilla.org/security/advisories/mfsa2021-03/, https://www.mozilla.org/security/advisories/mfsa2021-04/, https://www.mozilla.org/security/advisories/mfsa2021-05/, https://bugzilla.mozilla.org/buglist.cgi?bug_id=1662507%2C1666285%2C1673526%2C1674278%2C1674835%2C1675097%2C1675844%2C1675868%2C1677590%2C1677888%2C1680410%2C1681268%2C1682068%2C1682938%2C1683736%2C1685260%2C1685925.