Provide references for CVE-2020-17520.
Where can I find more information about CVE-2020-17520?
References are available at: https://lists.apache.org/thread.html/rb8b3025f8b507dec0b66791df408cdaf2d155866db1c7a1a4bc621cd%40%3Cdev.pulsar.apache.org%3E.