Remote TCP DoS by throttling the TCP receive window
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| NLnet Labs | NSD | unaffected |
|
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Nlnetlabs | Nsd |
|
Vendor Solution
This issue is fixed in 4.15.1 and all later versions.
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.460% probability within 30 days)
| Link | Providers |
|---|---|
| https://www.nlnetlabs.nl/downloads/nsd/CVE-2026-18916.txt |
|
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:nlnetlabs:nsd:*:*:*:*:*:*:*:* | |
| Metrics |
cvssV3_1
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Nlnetlabs
Nlnetlabs nsd |
|
| Vendors & Products |
Nlnetlabs
Nlnetlabs nsd |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Remote TCP DoS by throttling the TCP receive window | |
| Weaknesses | CWE-191 | |
| References |
| |
| Metrics |
cvssV4_0
|