CVE-2026-42387

CVSS Score & Metrics

Base Score

5.9 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H                                    

Vulnerability Description

A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to a crash of the Recursor due to insuffcient input validation.

Vulnerability Details

Published Date

June 25, 2026

Last Modified

June 25, 2026

CWE ID

CWE-20

Source

NVD

Vendor

PowerDNS

Product

Recursor

External References

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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