Allocation of Resources Without Limits or Throttling Affecting powerdns package, versions [,4.9.15)[5.0.0-alpha0,5.0.5)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.24% (16th percentile)

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  • Snyk IDSNYK-UNMANAGED-POWERDNS-16799836
  • published22 May 2026
  • disclosed21 May 2026
  • creditilhamaf

Introduced: 21 May 2026

CVE-2026-42000  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade powerdns to version 4.9.15, 5.0.5 or higher.

Overview

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling during the AXFR operation due to missing escaping of special characters (such as $ or @) in DNS names. An attacker can cause Bind backend to fail until manual operation is performed to fix the configuration.

CVSS Base Scores

version 4.0
version 3.1