Provide references for CVE-2021-29977.
Where can I find more information about CVE-2021-29977?
References are available at: https://www.mozilla.org/security/advisories/mfsa2021-28/, https://bugzilla.mozilla.org/buglist.cgi?bug_id=1665836%2C1686138%2C1704316%2C1706314%2C1709931%2C1712084%2C1712357%2C1714066, https://security.gentoo.org/glsa/202202-03.