Metrics
Affected Vendors & Products
No advisories yet.
Solution
This issue is fixed in 4.15.1 and all later versions.
Workaround
No workaround given by the vendor.
| Link | Providers |
|---|---|
| https://www.nlnetlabs.nl/downloads/nsd/CVE-2026-19401.txt |
|
Wed, 26 Aug 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 26 Aug 2026 08:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Any remote client can crash a (debugging/non-release build type) NSD serve child by sending it a special crafted message with a specially tuned number of DNS Cookie options (17 when UDP payload size is 512). By continuously crashing the serve childs, the remote client can severely hamper or, when positioned sufficiently close, deny all DNS service. | |
| Title | Remote UDP DoS by sending multiple DNS Cookie options | |
| Weaknesses | CWE-400 CWE-617 |
|
| References |
| |
| Metrics |
cvssV4_0
|
Projects
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Status: PUBLISHED
Assigner: NLnet Labs
Published:
Updated: 2026-08-26T14:16:26.813Z
Reserved: 2026-08-10T07:31:26.962Z
Link: CVE-2026-19401
Updated: 2026-08-26T14:13:35.555Z
Status : Received
Published: 2026-08-26T09:16:45.857
Modified: 2026-08-26T15:16:46.840
Link: CVE-2026-19401
No data.
OpenCVE Enrichment
Updated: 2026-08-26T09:30:04Z