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Description

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

PUBLISHED Reserved 2026-03-18 | Published 2026-04-22 | Updated 2026-04-22 | Assigner OX




MEDIUM: 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

Missing Support for Integrity Check

Product status

Default status
unaffected

5.4.0 (semver) before 5.4.1
affected

5.3.0 (semver) before 5.3.6
affected

5.2.0 (semver) before 5.2.9
affected

Credits

ylwango613 finder

References

docs.powerdns.com/...powerdns-advisory-powerdns-2026-03.html

cve.org (CVE-2026-33261)

nvd.nist.gov (CVE-2026-33261)

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