ALPINE-CVE-2019-6477

ALPINE-CVE-2019-6477

This page contains facts from public vulnerability sources. Check the original advisory before updating.

With pipelining enabled each incoming query on a TCP connection requires a similar resource allocation to a query received via UDP or via TCP without pipelining enabled. A client using a TCP-pipelined connection to a server could consume more resources than the server has been provisioned to handle. When a TCP connection with a large number of pipelined queries is closed, the load on the server releasing these multiple resources can cause it to become unresponsive, even for queries that can be answered authoritatively or from cache. (This is most likely to be perceived as an intermittent server problem).

CVSS 7.5 · High · Fix available

Published

2019-11-26T16:15:13.963Z

Updated

2026-09-21T06:17:52.532438585Z

Stack: system

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