CVE-2026-33601
4.9
MEDIUM
CVSS 3.1
EPSS 0.00%
Description
If you use the zoneToCache function with a malicious authoritative server, an attacker can send a zone that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.
How to fix CVE-2026-33601
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/pdns-recursor—no fix listed
Is CVE-2026-33601 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |