CVE-2026-33608

Publication date 22 April 2026

Last updated 13 May 2026


Ubuntu priority

Cvss 3 Severity Score

7.4 · High

Score breakdown

Description

An attacker can send a notify request that causes a new secondary domain to be added to the bind backend, but causes said backend to update its configuration to an invalid one, leading to the backend no longer able to run on the next restart, requiring manual operation to fix it.

Status

Package Ubuntu Release Status
pdns 26.04 LTS resolute
Needs evaluation
25.10 questing
Needs evaluation
24.04 LTS noble
Needs evaluation
22.04 LTS jammy
Needs evaluation
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial Ignored end of ESM support, was needs-triage

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.4 · High

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H


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