CVE-2026-33261 Affecting pdns-recursor package, versions *


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.23% (14th percentile)

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  • Snyk IDSNYK-DEBIAN11-PDNSRECURSOR-16162245
  • published23 Apr 2026
  • disclosed22 Apr 2026

Introduced: 22 Apr 2026

CVE-2026-33261  (opens in a new tab)

How to fix?

There is no fixed version for Debian:11 pdns-recursor.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pdns-recursor package and not the pdns-recursor package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service.