Description
BlueZ sdp-xml.c type confusion via RegisterProfile(ServiceRecord) can crash bluetoothd (local DoS): a crafted nested ServiceRecord can corrupt the SDP XML parser stack so scalar union data is treated as a sequence pointer, allowing a local caller to crash bluetoothd.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
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 | 5.87-3 | — |
| Debian 13 | bluez | No fix yet | — |
| Debian 12 | bluez | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | bluez | No fix yet | — |
| Ubuntu 26.04 LTS | bluez | 5.85-4ubuntu0.3 | USN-8908-1 |
| Ubuntu 24.04 LTS | bluez | 5.72-0ubuntu5.7 | USN-8908-1 |
| Ubuntu 22.04 LTS | bluez | 5.64-0ubuntu1.5 | USN-8908-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | bluez | 5.53-0ubuntu3.9+esm1 | USN-8908-1 |
| Ubuntu Pro 18.04 LTS | bluez | 5.48-0ubuntu3.9+esm3 | USN-8908-1 |
| Ubuntu Pro 16.04 LTS | bluez | 5.37-0ubuntu5.3+esm6 | USN-8908-1 |
Advisories 2
- WID-SEC-2026-3023 bluez: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 14, 2026
- USN-8908-1 bluez vulnerabilities Ubuntu Security Notices (USN) · Oct 9, 2026
References
- https://access.redhat.com/security/cve/CVE-2026-80185 vdb-entry
- RHBZ#2524139 issue-tracking