Provide references for CVE-2019-12471.
Where can I find more information about CVE-2019-12471?
References are available at: https://www.debian.org/security/2019/dsa-4460, https://seclists.org/bugtraq/2019/Jun/12, https://phabricator.wikimedia.org/T207603, https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html.