Vulnerability Description
An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.
CVSS Score
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Powerdns | Authoritative | >= 4.9.0, < 4.9.14 |
| Powerdns | Dnsdist | >= 1.9.0, < 1.9.13 |
| Powerdns | Recursor | >= 5.2.0, < 5.2.9 |
Related Weaknesses (CWE)
References
- https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-20Vendor Advisory
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdnVendor AdvisoryBroken Link
- https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-0Vendor Advisory
FAQ
What is CVE-2026-33260?
CVE-2026-33260 is a vulnerability with a CVSS score of 5.3 (MEDIUM). An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.
How severe is CVE-2026-33260?
CVE-2026-33260 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-33260?
Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Authoritative, Powerdns Dnsdist, Powerdns Recursor.