Excessive Platform Resource Consumption within a Loop Affecting unbound package, versions [,1.25.1)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.63% (47th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-UNBOUND-17660947
  • published28 Jun 2026
  • disclosed20 May 2026
  • creditUnknown

Introduced: 20 May 2026

CVE-2026-44390  (opens in a new tab)
CWE-1050  (opens in a new tab)

How to fix?

Upgrade unbound to version 1.25.1 or higher.

Overview

Affected versions of this package are vulnerable to Excessive Platform Resource Consumption within a Loop via the name compression process. An attacker can cause excessive resource consumption and degrade performance by sending specially crafted DNS responses containing very large Resource Record Sets, ultimately leading to service disruption for legitimate DNS queries.

CVSS Base Scores

version 4.0
version 3.1