CVE-2026-33258

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.

Score

CVSS 3.1 7.5 High

Status

Analyzed - security@open-xchange.com

Published

2026-04-22

Last modified

2026-10-26

Weaknesses

CWE-770

Affected products

• Recursor (Powerdns)

References

• https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html