CVE-2026-105460 Bluez: bluez: stack-based out-of-bounds read in btmon via unvalidated num_keys in return_link_keys_evt()
An attacker can cause a denial of service in the btmon tool by providing a crafted btsnoop capture file that triggers an out-of-bounds read.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-105460?
CVE-2026-105460 is a medium-severity memory corruption vulnerability in Red Hat Enterprise Linux 10, published on 13 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A flaw was found in BlueZ. An out-of-bounds read vulnerability exists in the btmon Bluetooth monitor tool when processing crafted HCI Return Link Keys events. A maliciously crafted btsnoop capture file can specify a large number of link keys that exceeds the actual packet data, causing btmon to read beyond the allocated buffer and crash.
Weakness: CWE-125
Which versions are affected by CVE-2026-105460?
How do I fix CVE-2026-105460?
No fix has been published for CVE-2026-105460 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-105460 being exploited?
There is no known exploitation of CVE-2026-105460 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-105460, DEBIAN-CVE-2026-105460, GHSA-hqj4-7q22-2hmj, UBUNTU-CVE-2026-105460.