Description

A client can trigger excessive memory allocation by generating a lot of queries that are routed to an overloaded DoH backend, causing queries to accumulate into a buffer that will not be released until the end of the connection.

INFO

Published Date :

2026-04-22T13:48:14.166Z

Last Modified :

2026-04-22T14:36:48.875Z

Source :

OX
AFFECTED PRODUCTS

The following products are affected by CVE-2026-33594 vulnerability.

Vendors Products
Powerdns
  • Dnsdist
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-33594.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Privileges Required
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Scope
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