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CVE-2026-50045

Unbound

Description

In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, a single client query for a deeply nested name under a DNSSEC-signed parent can cause Unbound to send more upstream packets per client query than the configured -max-global-quota-. This effectively bypasses a security configuration that limits upstream amplification traffic.

CVSS 5.3EPSS 0.27799999999999997%Risque 0.54
Voir la source
Publication
2026-07-22 14:17:19
Versions concernées
<=1.25.1
Type
Autre
Dernière modification
2026-07-24 13:58:11
Vecteur
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L