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HIGH · 7.4

CVE-2026-33608

An attacker can send a notify request that causes a new secondary domain to be added to the bind backend, but causes said backend to update its configuration to an invalid one, leading to the backend ...

Vulnerability Description

An attacker can send a notify request that causes a new secondary domain to be added to the bind backend, but causes said backend to update its configuration to an invalid one, leading to the backend no longer able to run on the next restart, requiring manual operation to fix it.

CVSS Score

7.4

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
PowerdnsAuthoritative>= 4.9.0, < 4.9.14

Related Weaknesses (CWE)

CWE-94

References

FAQ

What is CVE-2026-33608?

CVE-2026-33608 is a vulnerability with a CVSS score of 7.4 (HIGH). An attacker can send a notify request that causes a new secondary domain to be added to the bind backend, but causes said backend to update its configuration to an invalid one, leading to the backend ...

How severe is CVE-2026-33608?

CVE-2026-33608 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-33608?

Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Authoritative.