CVE-2026-28527 BlueKitchen BTstack < 1.8.1 AVRCP Controller GET_PLAYER_APPLICATION_SETTING_*_TEXT Handlers OOB Read
Nearby attackers can trigger out-of-bounds reads in BTstack via crafted Bluetooth responses, leading to information disclosure and crashes.
- 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-2026-28527?
CVE-2026-28527 is a low-severity 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 Controller GET_PLAYER_APPLICATION_SETTING_ATTRIBUTE_TEXT and GET_PLAYER_APPLICATION_SETTING_VALUE_TEXT handlers that allows nearby attackers to read beyond packet boundaries. Attackers can establish a paired Bluetooth Classic connection and send specially crafted VENDOR_DEPENDENT responses to trigger out-of-bounds reads, causing information disclosure and potential crashes on affected devices.
Weakness: CWE-125
Which versions are affected by CVE-2026-28527?
It affects 1 product.
Products include Bluekitchen-Gmbh Btstack.
How do I fix CVE-2026-28527?
No fix has been published for CVE-2026-28527 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-28527 being exploited?
There is no known exploitation of CVE-2026-28527 in the wild and no public exploit code.
Other vulnerabilities in BlueKitchen GmbH BTstack
Sources
Also known as GHSA-x9fm-645r-6855.