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.
Published Apr 22, 2026 · updated Jun 17, 2026 · powerdns recursor
By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Apr 22, 2026 · NIST NVD
Detected
By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.
Jun 17, 2026 · NIST NVD
Updated
By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.
Affected
- cpe powerdns/recursorversion unspecified
- cpe powerdns/recursor5.4.0
Sources
- CVE.orgVulnerability recordCVE-2026-33258
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-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.
nvd.nist.gov