5.3
Medium
CVE-2026-80225 In NLnetLabs Unbound up to and including 1.26.0, a degradation of service vulnerability is present in the TCP/DoT…
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| unbound 1.26 | earliest → < 1.26.1 | 1.26.1 |
References
- www.nlnetlabs.nl www.nlnetlabs.nl
Timeline
- Published
- Last modified
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