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CVE-2026-42390

MEDIUM
5.3
CVSS 3.1
Description
An invalid zone might pass ZONEMD validation while it should not. This is only relevant if ZoneToCache is configured with ZONEMD validation.

Metadata

CVE ID
CVE-2026-42390
State
PUBLISHED
Assigner
OX
Reserved
2026-04-27 08:53 UTC
Published
2026-06-25 13:01 UTC
Last updated
2026-06-25 14:25 UTC
Primary CWE
CWE-20
CWE-20 Improper Input Validation
Vendor / Product
PowerDNS / Recursor
Sources
cve.org  ·  NVD

Severity & Metrics

5.3 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
PowerDNS Recursor 5.4.0 < 5.4.3
Weakness (CWE)
CWESourceDescription
cna Improper Input Validation
CWE-20 adp CWE-20 Improper Input Validation
CVSS scores (1)
ScoreSeverityVersionSourceVector
5.3 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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