CVE-2026-76163

HighCVSS 7.5/10Last modified Oct 26, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
ISCBIND 9>= 9.20.0, <= 9.20.27; >= 9.21.0, <= 9.21.25; >= 9.20.9-S1, <= 9.20.27-S1

References

Timeline

Published
Sep 16, 2026
Last modified
Oct 26, 2026
NVD status
Awaiting Analysis

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CVE-2026-76163: High severity, CVSS 7.5 | Vulnix