Unrated severityNVD Advisory· Published Aug 26, 2026· Updated Aug 26, 2026
Remote TCP DoS by throttling the TCP receive window
CVE-2026-18916
Description
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.
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Affected products
1Patches
Vulnerability mechanics
References
1- www.nlnetlabs.nl/downloads/nsd/CVE-2026-18916.txtmitrevendor-advisory
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