configuration included the "tkey-gssapi-credential"
option. This has been fixed. [GL #2634]
+5617. [security] A specially crafted GSS-TSIG query could cause a buffer
+ overflow in the ISC implementation of SPNEGO.
+ (CVE-2021-25216) [GL #2604]
+
5616. [security] named crashed when a DNAME record placed in the ANSWER
section during DNAME chasing turned out to be the final
answer to a client query. (CVE-2021-25215) [GL #2540]