Nlnet · Nsd · CVE-2026-18916
**Name of the Vulnerable Software and Affected Versions**
NSD (affected versions not specified)
**Description**
A remote client can cause a denial of service by crashing an NSD serve child process. This is achieved by throttling the TCP receive window following a TCP query. Repeatedly crashing these processes allows a remote attacker to disable all TCP services for the NSD instance.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.