CVE-2026-18916

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Source
https://cve.org/CVERecord?id=CVE-2026-18916
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-18916.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-18916
Downstream
Published
2026-08-26T09:16:45Z
Modified
2026-09-10T08:07:44Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/nlnetlabs/nsd

Affected ranges

Type
GIT
Repo
https://github.com/nlnetlabs/nsd
Events
Introduced
954b5a21908dbb621f8bedd0d5f834d4cd680028
Fixed
a06e6ce15b11a18b2c7eddbf3a8053696c7fd28e
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:nlnetlabs:nsd:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "3.2.11"
        },
        {
            "fixed": "4.15.1"
        }
    ],
    "source": "CPE_RANGE"
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-18916.json"