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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | bluez | 5.62-1 | — |
| Debian 13 | bluez | 5.62-1 | — |
| Debian 12 | bluez | 5.62-1 | — |
| Debian 11 | bluez | 5.55-3.1+deb11u2 | DLA-3879-1 |
| Debian 10 | bluez | 5.50-1.2~deb10u3 | DLA-3157-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | bluez | 5.53-0ubuntu3.4 | USN-5155-1 |
| Ubuntu 18.04 LTS | bluez | 5.48-0ubuntu3.6 | USN-5155-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | bluez | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | bluez | 5.55-150300.3.14.1 | SUSE-SU-2022:3981-1 |
| SLES 15 SP2 | bluez | 5.48-150200.13.17.1 | SUSE-SU-2022:3691-1 |
| SLES 15 SP1 | bluez | 5.48-150000.5.41.1 | SUSE-SU-2022:3687-1 |
| SLES 15 | bluez | 5.48-150000.5.41.1 | SUSE-SU-2022:3687-1 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP2 | bluez | 5.48-150200.13.17.1 | SUSE-SU-2022:3691-1 |
| SLES for SAP 15 SP1 | bluez | 5.48-150000.5.41.1 | SUSE-SU-2022:3687-1 |
| SLES for SAP 15 | bluez | 5.48-150000.5.41.1 | SUSE-SU-2022:3687-1 |
| SLE HPC 15 SP2 | bluez | 5.48-150200.13.17.1 | SUSE-SU-2022:3691-1 |
| SLE HPC 15 SP1 | bluez | 5.48-150000.5.41.1 | SUSE-SU-2022:3687-1 |
| SLE HPC 15 | bluez | 5.48-150000.5.41.1 | SUSE-SU-2022:3687-1 |
| SUSE Manager Server 4.1 | bluez | 5.48-150200.13.17.1 | SUSE-SU-2022:3691-1 |
| SUSE Manager Retail Branch Server 4.1 | bluez | 5.48-150200.13.17.1 | SUSE-SU-2022:3691-1 |
| SUSE Manager Proxy 4.1 | bluez | 5.48-150200.13.17.1 | SUSE-SU-2022:3691-1 |
| SUSE Enterprise Storage 7 | bluez | 5.48-150200.13.17.1 | SUSE-SU-2022:3691-1 |
| SUSE Enterprise Storage 6 | bluez | 5.48-150000.5.41.1 | SUSE-SU-2022:3687-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | bluez | 5.55-150300.3.14.1 | SUSE-SU-2022:3981-1 |
Advisories 6
- USN-5155-1 bluez vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-3157-1 bluez - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3879-1 bluez - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:3981-1 Security update for bluez SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3691-1 Security update for bluez SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3687-1 Security update for bluez SUSE / openSUSE Security Updates · Feb 4, 2026