An attacker can create a large number of concurrent DoQ or DoH3 connections, causing unlimited memory allocation in DNSdist and leading to a denial of service. DOQ and DoH3 are disabled by default.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LPowerdns Dnsdist
APPPowerdns1.9.0 – 1.9.13 (bez)2.0.0 – 2.0.4 (bez)
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PATCH AVAILABLE
Vendor update available. Deploy in standard maintenance cycle.
Tags
DoS
CWE
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