CVE Field Guide
About Us
CVE-2026-42388
PUBLISHED
Missing input validation for catalog zones
Assigner:
OX
Reserved:
27.04.2026
Published:
25.06.2026
Updated:
25.06.2026
Incomplete validation of the SOA record present in a catalog zone might lead to a crash.
Metrics
CVSS 3.1
CVSS Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score:
5.9
CVSS score
5.9
Attack Vector
Network
Scope
Unchanged
Attack Complexity
High
Confidentiality Impact
None
Privileges Required
None
Integrity Impact
None
User Interaction
None
Availability Impact
High
CVSS 3.1
Product Status
Vendor
PowerDNS
Product
Recursor
Versions
Default:
unaffected
affected from 5.2.0 to 5.2.11 (excl.)
affected from 5.3.0 to 5.3.8 (excl.)
affected from 5.4.0 to 5.4.3 (excl.)
Credits
ylwango613
finder
References
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html
Problem Types
Improper Input Validation
CWE