CVE-2026-80225
In NLnetLabs Unbound up to and including 1.26.0, a degradation of service vulnerability is present in the TCP/DoT reading procedure where there is no limit on consecutive reads. A malicious actor that can stream and sustain a rate of distinct uncached names over the TCP/DoT connection, monopolizes a single worker's entire event loop for as long as its writes stay ahead of the drain.
CVSS score5.3 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LWeakness type (CWE)CWE-770
Vendorsnlnetlabs
Affected products
| Vendors | Product | Versions |
|---|---|---|
| nlnetlabs | unbound | < 1.26.1 |
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This product uses the NVD API but is not endorsed or certified by the NVD.