CVE-2026-28528

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.

Score

CVSS 3.1 4.6 Medium

Status

Analyzed - disclosure@vulncheck.com

Published

2026-03-30

Last modified

2026-07-14

Weaknesses

CWE-125, CWE-758

Affected products

• Btstack (Bluekitchen-gmbh)
• Btstack (Bluekitchen Gmbh)

References

• https://github.com/bluekitchen/btstack/releases/tag/v1.8.1
• https://www.vulncheck.com/advisories/bluekitchen-btstack-avrcp-browsing-target-get-folder-items-handler-oob-read-undefi…