CVE-2026-33257

MEDIUM

Insufficient input validation of internal webserver

Title source: cna
STIX 2.1

Description

An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.

References (3)

Scores

CVSS v3 5.3
EPSS 0.0001
EPSS Percentile 1.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (11)
PowerDNS/Authoritative 4.9.0 - 4.9.14
powerdns/authoritative 4.9.0 - 4.9.14
PowerDNS/Authoritative 5.0.0 - 5.0.4
PowerDNS/DNSdist 1.9.0 - 1.9.13
powerdns/dnsdist 1.9.0 - 1.9.13
PowerDNS/DNSdist 2.0.0 - 2.0.4
powerdns/recursor 5.4.0
PowerDNS/Recursor 5.2.0 - 5.2.9
powerdns/recursor 5.2.0 - 5.2.9
PowerDNS/Recursor 5.3.0 - 5.3.6
... and 1 more
Published Apr 22, 2026
Tracked Since Apr 22, 2026