CVE-2020-10772: Nlnetlabs Unbound

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

An incomplete fix for CVE-2020-12662 was shipped for Unbound in Red Hat Enterprise Linux 7, as part of erratum RHSA-2020:2414. Vulnerable versions of Unbound could still amplify an incoming query into a large number of queries directed to a target, even with a lower amplification ratio compared to versions of Unbound that shipped before the mentioned erratum. This issue is about the incomplete fix for CVE-2020-12662, and it does not affect upstream versions of Unbound.

Affected products

• Nlnetlabs Unbound: version 1.6.6-5 only

Published 2020-11-27. Last modified 2026-06-17.