EUVD-2026-66348

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...

EUVD-2026-66349

Any remote client can crash a debugging/non-release build type NSD serve child by sending it a special crafted message with a specially tuned number of DNS Cookie options 17 when UDP payload size is 512. By continuously crashing the serve childs, the remote client can severely hamper or, when...

CVE-2026-18916

A flaw was found in NSD. A remote attacker can exploit this vulnerability by continuously throttling the TCP receive window after a TCP query, causing an NSD serve child to crash. This repeated crashing can lead to a complete denial of TCP service for the affected NSD instance. Mitigation To...

DEBIAN-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

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-2026-19401

NSD (Name Server Daemon) is vulnerable to a remote UDP denial-of-service targeting its serve child process. An unauthenticated remote attacker can crash the serve child by sending a crafted UDP message containing a specially tuned number of DNS Cookie options (17 when the UDP payload size is 512)...

CVE-2026-19401 Remote UDP DoS by sending multiple DNS Cookie options

Any remote client can crash a debugging/non-release build type NSD serve child by sending it a special crafted message with a specially tuned number of DNS Cookie options 17 when UDP payload size is 512. By continuously crashing the serve childs, the remote client can severely hamper or, when...

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...

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...

UBUNTU-CVE-2012-2978

query.c in NSD 3.0.x through 3.0.8, 3.1.x through 3.1.1, and 3.2.x before 3.2.12 allows remote attackers to cause a denial of service NULL pointer dereference and child process crash via a crafted DNS packet...