CVE-2026-28528 BlueKitchen BTstack < 1.8.1 AVRCP Browsing Target GET_FOLDER_ITEMS Handler OOB Read / Undefined Behavior
An attacker with a paired Bluetooth connection can trigger an out-of-bounds read in BTstack, causing crashes and state corruption.
- 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-2026-28528?
CVE-2026-28528 is a low-severity memory corruption vulnerability in BlueKitchen GmbH BTstack, published on 30 Mar 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
BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Browsing Target GET_FOLDER_ITEMS handler that fails to validate packet boundaries and attribute count data. An attacker with a paired Bluetooth Classic connection can exploit insufficient bounds checking on the attr_id parameter to cause crashes and corrupt attribute bitmap state.
Which versions are affected by CVE-2026-28528?
It affects 1 product.
Products include Bluekitchen-Gmbh Btstack.
How do I fix CVE-2026-28528?
No fix has been published for CVE-2026-28528 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-2026-28528 being exploited?
There is no known exploitation of CVE-2026-28528 in the wild and no public exploit code.
Other vulnerabilities in BlueKitchen GmbH BTstack
Sources
Also known as GHSA-g6wp-9j53-v66x.