CVE-2026-33608

HIGH

Incomplete domain name sanitization during

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 7.4
EPSS 0.0001
EPSS Percentile 0.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-94
Status published
Products (3)
PowerDNS/Authoritative 4.9.0 - 4.9.14
powerdns/authoritative 4.9.0 - 4.9.14
PowerDNS/Authoritative 5.0.0 - 5.0.4
Published Apr 22, 2026
Tracked Since Apr 22, 2026