CVE-2026-80225

MEDIUMCVSS 5.3

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.

Published 2026-09-16 · last modified 2026-09-16

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.