๐Ÿ” CVE Alert

CVE-2026-33612

HIGH 7.5

ZoneToCache can poison the cache

CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th

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

Vendor powerdns
Product recursor
Published Jun 25, 2026
Last Updated Jun 25, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:L
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
Low

Affected Versions

PowerDNS / Recursor
5.2.0 < 5.2.11 5.3.0 < 5.3.8 5.4.0 < 5.4.3

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
docs.powerdns.com: https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html

Credits

Danial Mahadzir