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USN-5183-1: BlueZ vulnerability

8 December 2021

BlueZ could be made to crash or run programs if it received specially crafted traffic.



  • bluez - Bluetooth tools and daemons


Julian Rauchberger discovered that BlueZ incorrectly handled memory when
processing SDP attribute requests. A remote attacker could use this issue
to cause BlueZ to crash, leading to a denial of service, or possibly
execute arbitrary code.

Update instructions

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

Ubuntu 18.04

In general, a standard system update will make all the necessary changes.