PT-2026-52390 · Powerdns+3 · Recursor+2

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CVE-2026-42387

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Published

2026-06-25

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Updated

2026-06-25

CVSS v3.1

5.9

Medium

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions The product name cannot be determined (affected versions not specified)
Description Insufficient input validation in the ZoneToCache() function allows a malicious authoritative server to send a crafted zone, resulting in a crash of the Recursor.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

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Weakness Enumeration

Related Identifiers

CVE-2026-42387

Affected Products

Recursor
Pdns
Pdns-Recursor