CVE-2026-10723

BIND may accept incorrect child-zone NSEC3 records as valid, which could allow an attacker to forge authenticated NXDOMAIN responses.

This Moderate flaw in BIND allows an attacker to forge authenticated NXDOMAIN responses for sibling zones due to incorrect validation of child-zone NSEC3 records. Exploitation requires high attack complexity, limiting the immediate risk to Red Hat products.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.