CVE-2026-18916

Any remote client can crash a NSD serve child, by throttling the TCP receive window after a TCP query. By continuously crashing the serve childs, the remote client can denial all TCP service to this NSD instance...

CVE-2026-18916 Remote TCP DoS by throttling the TCP receive window

Any remote client can crash a NSD serve child, by throttling the TCP receive window after a TCP query. By continuously crashing the serve childs, the remote client can denial all TCP service to this NSD instance...

CVE-2026-18916

NSD (NLnet Labs) DNS server is vulnerable to a remote TCP denial-of-service : any unauthenticated network client can crash a serve child process by throttling the TCP receive window after issuing a TCP query. By repeatedly crashing serve children, an attacker can deny all TCP service to the affec...