Provide references for CVE-2021-29989.
Where can I find more information about CVE-2021-29989?
References are available at: https://www.mozilla.org/security/advisories/mfsa2021-33/, https://www.mozilla.org/security/advisories/mfsa2021-35/, https://www.mozilla.org/security/advisories/mfsa2021-34/, https://bugzilla.mozilla.org/buglist.cgi?bug_id=1662676%2C1666184%2C1719178%2C1719998%2C1720568, https://security.gentoo.org/glsa/202202-03, https://security.gentoo.org/glsa/202208-14.