Advisory Published

USN-6372-1: DBus vulnerability

First published: Thu Sep 14 2023(Updated: )

It was discovered that DBus incorrectly handled certain invalid messages. A local attacker could possibly use this issue to cause DBus to crash, resulting in a denial of service.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/dbus<1.10.6-1ubuntu3.6+esm3
1.10.6-1ubuntu3.6+esm3
=16.04
All of
ubuntu/libdbus-1-3<1.10.6-1ubuntu3.6+esm3
1.10.6-1ubuntu3.6+esm3
=16.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this DBus vulnerability?

    The vulnerability ID for this DBus vulnerability is USN-6372-1.

  • What is the description of the DBus vulnerability?

    DBus incorrectly handles certain invalid messages, which can allow a local attacker to cause a denial of service by crashing the DBus service.

  • What software is affected by this DBus vulnerability?

    DBus version 1.10.6-1ubuntu3.6+esm3 and libdbus-1-3 version 1.10.6-1ubuntu3.6+esm3 on Ubuntu 16.04 are affected.

  • How can an attacker exploit this DBus vulnerability?

    An attacker can exploit this vulnerability by sending certain invalid messages to the DBus service.

  • How can I fix the DBus vulnerability?

    To fix the DBus vulnerability, update to version 1.10.6-1ubuntu3.6+esm3 or higher for DBus and libdbus-1-3.

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