CVE-2026-12490

When a provide-xfr is given with a tls-auth-name, a secondary requesting a transfer should provide a client certificate with that name. However, no client certificate is needed when the request comes in over TLS over the regular tls-port and not the tls-auth-port or over over TCP over the regular...

CVE-2026-12490 Bypass of client certificate verification with transfer over TLS

When a provide-xfr is given with a tls-auth-name, a secondary requesting a transfer should provide a client certificate with that name. However, no client certificate is needed when the request comes in over TLS over the regular tls-port and not the tls-auth-port or over over TCP over the regular...

bind: Controls for zone transfers may not be properly applied to DLZs if the zones are writable

It was found that the controls for zone transfer were not properly applied to Dynamically Loadable Zones DLZs. An attacker acting as a DNS client could use this flaw to request and receive a zone transfer of a DLZ even when not permitted to do so by the "allow-transfer" ACL...