Provide references for CVE-2020-12397.
Where can I find more information about CVE-2020-12397?
References are available at: https://www.mozilla.org/security/advisories/mfsa2020-18/, https://bugzilla.mozilla.org/show_bug.cgi?id=1617370, https://usn.ubuntu.com/4373-1/, https://security.gentoo.org/glsa/202005-03.