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CVE-2026-33254

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CVSS 3.1
7.5 high
EPSS
<1%p30
Published
()
Modified
Description

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.

Vendors
powerdns
Products
dnsdist
Weakness
CWE-770
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVE.org GitHub PoCs EPSS (0.4%)

In the news

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