CVE-2026-40691 | NLnet Labs Unbound up to 1.25.1 DNSCrypt heap-based overflow

July 22, 2026 Yanac

A vulnerability was found in NLnet Labs Unbound up to 1.25.1. It has been rated as very critical. This vulnerability affects unknown code of the component DNSCrypt. The manipulation leads to heap-based buffer overflow.

This vulnerability is traded as CVE-2026-40691. It is possible to initiate the attack remotely. There is no exploit available.VulDB Recent EntriesRead More