https://seclists.org/oss-sec/2026/q1/159: PowerDNS Security Advisory 2026-01: Crafted zones can lead to incased source usage in cursor

Published Feb 10, 2026
·
Updated

Affected Software

1 affected component
PowerDNS recursor<=5.1.9, <=5.2.7, <=5.3.4
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Frequently Asked Questions

1

What is the severity of PowerDNS Security Advisory 2026-01?

The severity of PowerDNS Security Advisory 2026-01 is classified as Medium.

2

How do I fix PowerDNS Security Advisory 2026-01?

You can fix PowerDNS Security Advisory 2026-01 by upgrading to PowerDNS Recursor versions 5.1.10, 5.2.8, or 5.3.5.

3

What vulnerabilities are associated with PowerDNS Security Advisory 2026-01?

PowerDNS Security Advisory 2026-01 is associated with two CVEs that address issues leading to increased resource usage.

4

What is the impact of PowerDNS Security Advisory 2026-01?

The impact of PowerDNS Security Advisory 2026-01 is that crafted zones can lead to increased resource usage in the PowerDNS Recursor.

5

When was PowerDNS Security Advisory 2026-01 published?

PowerDNS Security Advisory 2026-01 was published on February 10, 2026.

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