Vulnerability DatabaseCVE-2026-33612
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CVE-2026-33612
Published:June 25, 2026
Updated:June 29, 2026
A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to cache poisoning.
Affected Packages
https://github.com/PowerDNS/pdns.git (GITHUB):
Affected version(s) >=rec-5.4.0 <rec-5.4.3
Fix Suggestion:
Update to version rec-5.4.3
https://github.com/PowerDNS/pdns.git (GITHUB):
Affected version(s) >=rec-5.2.0 <rec-5.2.11
Fix Suggestion:
Update to version rec-5.2.11
https://github.com/PowerDNS/pdns.git (GITHUB):
Affected version(s) >=rec-5.3.0 <rec-5.3.8
Fix Suggestion:
Update to version rec-5.3.8
Related Resources (1)
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html
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CVSS v4
Base Score:
9
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
HIGH
Subsequent System Availability
LOW
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
Acceptance of Extraneous Untrusted Data With Trusted Data
CWE-349
EPSS
Base Score:
0.12