CVE-2026-80185 Bluez: sdp-xml: bluez 5.86: unprivileged-local and adjacent-le-peer leads to arbitrary code execution as root
A type confusion in BlueZ SDP XML parser allows local attackers or adjacent peers to execute arbitrary code as root or crash the Bluetooth daemon.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-80185?
CVE-2026-80185 is a medium-severity memory corruption vulnerability in Red Hat Enterprise Linux 10, published on 25 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-843
Which versions are affected by CVE-2026-80185?
How do I fix CVE-2026-80185?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-80185 being exploited?
There is no known exploitation of CVE-2026-80185 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-80185, DEBIAN-CVE-2026-80185, GHSA-822r-m33h-gr5v, UBUNTU-CVE-2026-80185.