OESA-2026-3437 unbound security update

Unbound is a validating, recursive, caching DNS resolver. It is designed to be fast and lean and incorporates modern features based on open standards. To help increase online privacy, Unbound supports DNS-over-TLS which allows clients to encrypt their communication. Unbound is available for most...

CVE-2026-44687

CVE-2026-44687 affects NLnet Labs Unbound releases 1.13.2 through 1.25.1. A bug in the default tallied logic for hardened-below-nxdomain can cause a stub or forward zone to be shadowed by a DNSSEC-secure NXDOMAIN answer at the parent when the query name is an intermediate label below a signed zon...