Provide references for CVE-2020-11997.
Where can I find more information about CVE-2020-11997?
References are available at: https://lists.apache.org/thread.html/r1a9ae9d1608c9f846875c4191cd738f95543d1be06b52dc1320e8117%40%3Cannounce.guacamole.apache.org%3E.