RHSA-2020:4032 — Security Advisory
Red Hat Security Advisory: dbus security update
Severity
ModerateRed Hat Product Security
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.