UV_UDP_RECVMMSG flag to enable recvmmsg() support in
libuv. [GL #1797]
-5395. [placeholder]
+5395. [security] Further limit the number of queries that can be
+ triggered from a request. Root and TLD servers
+ are no longer exempt from max-recursion-queries.
+ Fetches for missing name server address records
+ are limited to 4 for any domain. (CVE-2020-8616)
+ [GL #1388]
5394. [cleanup] Named formerly attempted to change the effective UID and
GID in named_os_openfile(), which could trigger a