Vulnerability in Powerdns Recursor

CVE-2026-33612

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

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:L.

EPSS exploit prediction

EPSS: 0.001 (3.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-33612: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-33612?
CVE-2026-33612 is a high-severity vulnerability in Powerdns Recursor, classified under CWE-349. CVSS score: 7.5/10. Published 2026-06-25.
How severe is CVE-2026-33612?
High severity. CVSS v3 base score is 7.5 out of 10.