CVE-2026-33258

EUVD-2026-24721
By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
OXCNA
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
powerdnsrecursor
5.4.0 ≤
𝑥
< 5.4.1
CNA
powerdnsrecursor
5.3.0 ≤
𝑥
< 5.3.6
CNA
powerdnsrecursor
5.2.0 ≤
𝑥
< 5.2.9
CNA
Common Weakness Enumeration
References
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html