CVE-2026-33254

Опубликовано: 22 апр. 2026

Источник: nvd

CVSS3: 5.3

CVSS3: 7.5

EPSS Низкий

Описание

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.

Ссылки

https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html
Vendor Advisory

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:*

Версия от 1.9.0 (включая) до 1.9.13 (исключая)

cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:*

Версия от 2.0.0 (включая) до 2.0.4 (исключая)

EPSS

Процентиль: 30%

0.00371

Низкий

5.3 Medium

CVSS3

7.5 High

CVSS3

Дефекты

CWE-770

Связанные уязвимости

CVE-2026-33254

CVSS3: 5.3

ubuntu

4 месяца назад

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-2026-33254

CVSS3: 5.3

debian

4 месяца назад

An attacker can create a large number of concurrent DoQ or DoH3 connec ...

GHSA-wgv5-fpv8-m4jc

CVSS3: 5.3

github

4 месяца назад

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.

openSUSE-SU-2026:21015-1

suse-cvrf

около 2 месяцев назад

Security update for dnsdist

EPSS

Процентиль: 30%

0.00371

Низкий

5.3 Medium

CVSS3

7.5 High

CVSS3

Дефекты

CWE-770