Allocation of Resources Without Limits or Throttling Affecting pdns-recursor package, versions [,5.2.9)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.52% (41st percentile)

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  • Snyk IDSNYK-UNMANAGED-PDNSRECURSOR-16304775
  • published27 Apr 2026
  • disclosed23 Apr 2026
  • creditUnknown

Introduced: 23 Apr 2026

CVE-2026-33260  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade pdns-recursor to version 5.2.9 or higher.

Overview

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the internal web server process. An attacker can exhaust system memory resources by sending specially crafted web requests, resulting in service disruption. This is only exploitable if the internal web server is enabled.

CVSS Base Scores

version 4.0
version 3.1