PT-2026-52388 · Powerdns · Recursor

Danial Mahadzir · Published 2026-06-25 · Updated 2026-06-25 · CVE-2026-40012

Mitre

CVSS v3.1

5.3

Medium

Base vector

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

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

Fix

Related Identifiers

CVE-2026-40012

Affected Products

Recursor

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-40012 · Security Note
• https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html · Note