Provide references for CVE-2021-29976.
Where can I find more information about CVE-2021-29976?
References are available at: https://www.mozilla.org/security/advisories/mfsa2021-28/, https://www.mozilla.org/security/advisories/mfsa2021-30/, https://www.mozilla.org/security/advisories/mfsa2021-29/, https://bugzilla.mozilla.org/buglist.cgi?bug_id=1700895%2C1703334%2C1706910%2C1711576%2C1714391, https://security.gentoo.org/glsa/202202-03, https://security.gentoo.org/glsa/202208-14.