RHSA-2020:2418 — Security Advisory

Red Hat Security Advisory: unbound security update

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Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · June 8, 2020

Updated · June 27, 2026

Topic

An update for unbound is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.

Security Fix(es):

  • unbound: amplification of an incoming query into a large number of queries directed to a target (CVE-2020-12662)

  • unbound: infinite loop via malformed DNS answers received from upstream servers (CVE-2020-12663)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Related CVEs

RHSA-2020:2418 — Red Hat Security Advisory: unbound security update | PulseLinux