Provide references for CVE-2019-11707.
Where can I find more information about CVE-2019-11707?
References are available at: https://www.mozilla.org/security/advisories/mfsa2019-20/, https://www.mozilla.org/security/advisories/mfsa2019-18/, https://bugzilla.mozilla.org/show_bug.cgi?id=1544386, https://security.gentoo.org/glsa/201908-12.