CVE-2026-33610 — MEDIUM (5.9)

Q: What is CVE-2026-33610?

CVE-2026-33610 is a vulnerability with a CVSS score of 5.9 (MEDIUM). A rogue primary server may cause file descriptor exhaustion and eventually a denial of service, when a PowerDNS secondary server forwards a DNS update request to it.

Q: How severe is CVE-2026-33610?

CVE-2026-33610 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-33610?

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

Vulnerability Description

A rogue primary server may cause file descriptor exhaustion and eventually a denial of service, when a PowerDNS secondary server forwards a DNS update request to it.

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Powerdns	Authoritative	>= 4.9.0, < 4.9.14

Related Weaknesses (CWE)

CWE-400

References

https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-poBroken LinkVendor Advisory

FAQ

What is CVE-2026-33610?

CVE-2026-33610 is a vulnerability with a CVSS score of 5.9 (MEDIUM). A rogue primary server may cause file descriptor exhaustion and eventually a denial of service, when a PowerDNS secondary server forwards a DNS update request to it.

How severe is CVE-2026-33610?

CVE-2026-33610 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-33610?

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