PT-2026-52392 · Powerdns · Recursor

Published 2026-06-25 · Updated 2026-06-25 · CVE-2026-42389

NVD

CVSS v3.1

5.3

Medium

Base vector

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

This fix provides extra hardening for the 5.4.x branch by doing extra validation of incoming answers from authoritative servers.

Fix

Related Identifiers

CVE-2026-42389

Affected Products

Recursor

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-42389 · Security Note
• https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html · Note