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...

Linux Distros Unpatched Vulnerability : CVE-2026-18916

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2026-19401

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 Cook...

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...

CVE-2026-19401

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...

DEBIAN-CVE-2026-19401

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

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...

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-2026-19401

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...

UBUNTU-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

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-2026-19401 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-2026-19401

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-2026-19401 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-2026-19401

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-2026-18916

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

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...