CVE-2026-11721 | ISC BIND up to 9.21.23 DNSSEC Validation input validation

July 22, 2026 Yanac

A vulnerability was found in ISC BIND up to 9.18.50/9.18.50-S1/9.20.24/9.20.24-S1/9.21.23 and classified as very critical. This impacts an unknown function of the component DNSSEC Validation. Such manipulation leads to improper input validation.

This vulnerability is listed as CVE-2026-11721. The attack may be performed from remote. There is no available exploit.VulDB Recent EntriesRead More