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Medium severity5.3NVD Advisory· Published Jun 25, 2026· Updated Jun 25, 2026

CVE-2026-42389

CVE-2026-42389

Description

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

Patches

Vulnerability mechanics

References

1

docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.htmlnvd

News mentions

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