Uncaught Exception Affecting pdns-recursor package, versions [5.2.0,5.2.11)[5.3.0,5.3.8)[5.4.0,5.4.3)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.39% (32nd percentile)

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  • Snyk IDSNYK-UNMANAGED-PDNSRECURSOR-17660838
  • published28 Jun 2026
  • disclosed25 Jun 2026
  • creditylwango613

Introduced: 25 Jun 2026

CVE-2026-42388  (opens in a new tab)
CWE-248  (opens in a new tab)

How to fix?

Upgrade pdns-recursor to version 5.2.11, 5.3.8, 5.4.3 or higher.

Overview

Affected versions of this package are vulnerable to Uncaught Exception due to incomplete validation of the SOA record in catalog zones. An attacker can cause a crash by providing specially crafted input to the affected process.

References

CVSS Base Scores

version 4.0
version 3.1