CVE-2026-33258
Crafted zones can cause increased resource usage
Summary
Crafted zones can cause increased resource usage
Original description
The description as published by the source.
By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-33258 pdns-recursor
- Ubuntu UBUNTU-CVE-2026-33258 pdns-recursor
References
- advisory docs.powerdns.com
- advisory github.com
- advisory nvd.nist.gov
- package github.com
- web repo.powerdns.com