CVE-2026-76163

Published: Sep 16, 2026Modified: Sep 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: security-officer@isc.org (Secondary)

Description

If BIND is loaded with a "`named.conf`" file that contains no global "`options`" block, an attacker can send a query of QTYPE TKEY which may cause an assertion failure and subsequent unexpected program exit. This issue affects BIND 9 versions 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, and 9.20.9-S1 through 9.20.27-S1.

Related CWEs

CWE-617

Reachable Assertion

The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

References (3)

https://downloads.isc.org/isc/bind9/9.20.29

Source: security-officer@isc.org

https://downloads.isc.org/isc/bind9/9.21.26

Source: security-officer@isc.org

https://kb.isc.org/docs/cve-2026-76163

Source: security-officer@isc.org

Timeline

No history available yet.