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    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.

    Published:Aug 26, 2026
    Last Modified:Sep 1, 2026
    EPS:Aug 26, 2026
    EPSS Score:0.00332
    CVSS Score:6.9

    Affected Products

    Vendor
    Nlnetlabs
    Product
    Nsd

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High