Improper Input Validation Affecting pdns-recursor package, versions [,4.9.9)[5.0.0, 5.0.9)[5.1.0, 5.1.2)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.36% (58th percentile)

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  • Snyk IDSNYK-UNMANAGED-PDNSRECURSOR-13789438
  • published31 Oct 2025
  • disclosed3 Oct 2024
  • creditToshifumi Sakaguchi

Introduced: 3 Oct 2024

CVE-2024-25590  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade pdns-recursor to version 4.9.9, 5.0.9, 5.1.2 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation through the processing and caching of specific Resource Record Sets. An attacker can disrupt service availability by repeatedly sending crafted responses.

CVSS Base Scores

version 4.0
version 3.1