AIKIDO-2026-659333
hickory-server is vulnerable to Denial of Service (DoS)
50
Medium Risk
This Affects:
hickory-serverTL;DR
The DNS-over-QUIC server enforces no timeout when reading a message from a QUIC stream. A client can open a connection and a request stream and then hold it open indefinitely without completing the request, bypassing configured timeouts. Held-open streams consume server resources indefinitely. The fix adds a read timeout for DoQ requests.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you run a server with DNS-over-QUIC enabled
Background info
hickory-server is vulnerable to Denial of Service (DoS) in versions 0.0.1 - 0.26.1.
How to fix this
Upgrade the hickory-server library to the patch version.
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