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CVE-2026-80274 If a BIND resolver sends a query for a DNSSEC-signed authoritative zone, and the authoritative server replies with a…

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.

Produits et versions touchés

Produit Versions touchées Corrigé en
BIND 9 9.21 9.21.0 → 9.21.25 Pas de correctif indiqué
BIND 9 9.20 9.20.0 → 9.20.27 Pas de correctif indiqué
BIND 9 9.11 9.11.0 → 9.18.50 Pas de correctif indiqué

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