Security Advisories›RHSA-2020:4032

RHSA-2020:4032 — Security Advisory

Red Hat Security Advisory: dbus security update

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Severity

Moderate

Red Hat Product Security

RHEL 7

Products

Official CSAF product identity

Published · September 30, 2020

Updated · June 25, 2026

Topic

An update for dbus is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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

D-Bus is a system for sending messages between applications. It is used both for the system-wide message bus service, and as a per-user-login-session messaging facility.

Security Fix(es):

  • dbus: DBusServer DBUS_COOKIE_SHA1 authentication bypass (CVE-2019-12749)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.

Related CVEs

RHSA-2020:4032 — Red Hat Security Advisory: dbus security update | PulseLinux