CVE-2026-33612

High

Description

A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to cache poisoning.

SeverityHigh
CVSS7.5
Exploit probability—
ProductRecursor
PublishedJun 25, 2026
First seenJun 25, 2026
Weakness typeCWE-349CWE-349

How to fix

Update
  • PowerDNS Recursor5.2.11, 5.3.8, 5.4.3 or later

Affected products

ProductAffected versionsFixed in
PowerDNS Recursor5.2.0 ≤ v < 5.2.11, 5.3.0 ≤ v < 5.3.8, 5.4.0 ≤ v < 5.4.35.2.11, 5.3.8, 5.4.3

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