vulnerability

Ubuntu: USN-5155-1 (CVE-2021-43400): BlueZ vulnerabilities

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
Nov 4, 2021
Added
Nov 24, 2021
Modified
Aug 18, 2025

Description

An issue was discovered in gatt-database.c in BlueZ 5.61. A use-after-free can occur when a client disconnects during D-Bus processing of a WriteValue call.

Solutions

ubuntu-upgrade-bluezubuntu-upgrade-libbluetooth3
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.