CVE-2026-18916: CWE-191: Integer Underflow in NLnet Labs NSD
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: CWE-191: Integer Underflow in NLnet Labs NSD
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.
CVSS v4.0
Score 6.9medium
Affected software
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- NLnet Labs
- Date Reserved
- 2026-08-05T07:36:55.457Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8ea959acd9273b499fef52
Added to database: 08/26/2026, 08:52:41 UTC
Last updated: 08/26/2026, 18:45:45 UTC
Views: 10
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