CVE-2026-19941

A flaw was found in BIND 9. A remote attacker could exploit this by providing an inapplicable NSEC (Next Secure) record to a named resolver. This could allow the attacker to mask the existence of a victim's wildcard DNS (Domain Name System) record, potentially leading to a misrepresentation of DNS information.

This Moderate impact flaw in BIND 9 allows a remote attacker to mask the existence of DNS wildcard records by providing specially crafted NSEC records to a named resolver. While the attack complexity is high, successful exploitation could lead to a misrepresentation of DNS information, potentially affecting services relying on accurate DNS resolution.

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.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.