CVE-2026-33254

MEDIUM

5.3

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung5.3

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht4/22/2026

Zuletzt geandert4/22/2026

Quellenvd

Honeypot-Sichtungen0

Schwachen (CWE)

CWE-770

Referenzen

https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html(security@open-xchange.com)

IOC Korrelationen

Keine Korrelationen erfasst

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