Provide references for CVE-2019-11734.
Where can I find more information about CVE-2019-11734?
References are available at: https://bugzilla.mozilla.org/buglist.cgi?bug_id=1352875%2C1536227%2C1557208%2C1560641, https://www.mozilla.org/security/advisories/mfsa2019-25/.