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Acknowledged

LIN1025-25439 : Security Advisory - bind - CVE-2026-80274

Created: Oct 23, 2026 Updated: Oct 27, 2026

Resolved Date: Oct 23, 2026

Found In Version: 10.25.33.2

Severity: Standard

Applicable for: Wind River Linux LTS 25

Component/s: Userspace

Description

If a BIND resolver sends a query for a DNSSEC-signed authoritative zone, and the authoritative server replies with a valid wildcard answer and signed NSEC3 proof, followed by an unsigned NSEC at the same owner name, it will trigger an unexpected program exit. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.
Data source: Internet Systems Consortium (ISC) (security-officer@isc.org)