CVE-2026-33261 (GCVE-0-2026-33261)

Vulnerability from cvelistv5 – Published: 2026-04-22 09:40 – Updated: 2026-04-22 18:09
VLAI
Title
Null pointer accces in aggressive NSEC(3) cache
Summary
A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 17:52 UTC
CWE
  • Missing Support for Integrity Check
  • CWE-353 - Missing Support for Integrity Check
Assigner
References
Impacted products
Vendor Product Version
PowerDNS Recursor Affected: 5.4.0 , < 5.4.1 (semver)
Affected: 5.3.0 , < 5.3.6 (semver)
Affected: 5.2.0 , < 5.2.9 (semver)
Create a notification for this product.
Date Public
2026-04-21 22:00
Credits
ylwango613
Show details on NVD website
To clipboard 

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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