CVE-2026-40012

medium

Description

ECS zero scoped answers are stored in the packet cache while they should not. This impacts only configurations that have ECS enabled;

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-39356

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html

Details

Source: Mitre, NVD

Published: 2026-06-25

Updated: 2026-06-25

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.00452