Provide references for CVE-2019-12970.
Where can I find more information about CVE-2019-12970?
References are available at: https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-016.txt, https://seclists.org/bugtraq/2019/Jul/0, http://packetstormsecurity.com/files/153495/SquirrelMail-1.4.22-Cross-Site-Scripting.html, https://seclists.org/bugtraq/2019/Jul/50, https://lists.debian.org/debian-lts-announce/2019/08/msg00000.html.