CVE-2026-33261

Null pointer accces in aggressive NSEC(3) cache

Medium · published April 22, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
14.3
In the wild
Unconfirmed
What it is

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00241 · 14.3th percentile
Published
2026-04-22T09:40Z
EPSS history
Timeline
  • 22 APR 09:40Z
    Null pointer accces in aggressive NSEC(3) cache
    cvelistv5