[USN-6372-1] DBus vulnerability

Ian Constantin ian.constantin at canonical.com
Thu Sep 14 18:59:46 UTC 2023

Ubuntu Security Notice USN-6372-1
September 14, 2023

dbus vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS (Available with Ubuntu Pro)


DBus could be made to crash if it received a specially crafted request.

Software Description:
- dbus: simple interprocess messaging system


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.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
   dbus                               1.10.6-1ubuntu3.6+esm3
   libdbus-1-3                     1.10.6-1ubuntu3.6+esm3

After a standard system update you need to reboot your computer to make
all the necessary changes.


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