CVE-2026-33595

Published Apr 22, 2026

Last updated 19 days ago

Overview

Description
A client can trigger excessive memory allocation by generating a lot of errors responses over a single DoQ and DoH3 connection, as some resources were not properly released until the end of the connection.
Source
security@open-xchange.com
NVD status
Analyzed
Products
dnsdist

Risk scores

CVSS 3.1

Type
Primary
Base score
7.5
Impact score
3.6
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity
HIGH

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-770

Social media

Hype score
Not currently trending

Configurations