CVE-2026-24027 Details
Description
Crafted zones can lead to increased incoming network traffic.
A denial-of-service vulnerability has been identified in PowerDNS Recursor versions up to and including 5.1.9, 5.2.7, and 5.3.4. The issue arises from the handling of crafted zones, which can lead to increased incoming network traffic, causing a strain on resources.
Users are advised to upgrade to PowerDNS Recursor versions 5.1.10, 5.2.8, or 5.3.5, which contain the necessary patches to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Feb 9, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2026-01.html | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-294 | Authentication Bypass by Capture-replay | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| powerdns recursor | >= 5.1.0, < 5.1.10 >= 5.2.0, < 5.2.8 >= 5.3.0, < 5.3.5 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 20, 2026 | Initial Analysis | [email protected] |
| Feb 9, 2026 | New CVE Received | [email protected] |