CVE-2020-8620
In BIND 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit.
Date published : 2020-08-21
https://security.netapp.com/advisory/ntap-20200827-0003/
https://www.synology.com/security/advisory/Synology_SA_20_19