CVE-2026-42388

MEDIUM

PowerDNS Recursor - Missing Input Validation for Catalog Zones

Title source: rule
STIX 2.1

Description

Incomplete validation of the SOA record present in a catalog zone might lead to a crash.

References (1)

Core 1

Scores

CVSS v3 5.9
EPSS 0.0039
EPSS Percentile 31.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (3)
PowerDNS/Recursor 5.2.0 - 5.2.11
PowerDNS/Recursor 5.3.0 - 5.3.8
PowerDNS/Recursor 5.4.0 - 5.4.3
Published Jun 25, 2026
Tracked Since Jun 25, 2026