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.

INFO

Published Date :

2026-04-22T13:45:07.069Z

Last Modified :

2026-04-22T14:51:51.130Z

Source :

OX
AFFECTED PRODUCTS

The following products are affected by CVE-2026-33254 vulnerability.

Vendors Products
Powerdns
  • Dnsdist
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-33254.

URL Resource
https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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