CVE-2026-52688
Publication date 23 July 2026
Last updated 6 August 2026
Ubuntu priority
Description
RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| pdns-recursor | 26.04 LTS resolute |
Needs evaluation
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
Severity score breakdown
CVSS version: CVSS v3.0
Base score
7.5 · High
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N