CVE-2026-28528

BlueKitchen BTstack < 1.8.1 AVRCP Browsing Target GET_FOLDER_ITEMS Handler OOB Read / Undefined Behavior

2.1 Low

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.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: Passive

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: Low

Exploit likelihood

0.14%Up 0.1 points since Mar 31, 2026

What each source reports

CVE List Score used 2.1

BlueKitchen BTstack < 1.8.1 AVRCP Browsing Target GET_FOLDER_ITEMS Handler OOB Read / Undefined Behavior

Record: CVE-2026-28528
CVSS 4.0: 2.1 LowCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Weakness: CWE-125, CWE-758
Updated: 2026-11-02

EUVDEUVD-2026-17089 2.1

Record: EUVD-2026-17089
CVSS 4.0: 2.1 LowCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-g6wp-9j53-v66x 2.1

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the...

Record: GHSA-g6wp-9j53-v66x
CVSS 4.0: 2.1 LowCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Weakness: CWE-125
Updated: 2026-11-02

NVD 2.1

Record: CVE-2026-28528
CVSS 4.0: 2.1 LowCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Weakness: CWE-125, CWE-758
Updated: 2026-11-02

OSV 2.1

BlueKitchen BTstack < 1.8.1 AVRCP Browsing Target GET_FOLDER_ITEMS Handler OOB Read / Undefined Behavior

Record: CVE-2026-28528
CVSS 4.0: 2.1 LowCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Weakness: CWE-125, CWE-758
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-28528 is a low vulnerability (CVSS 2.1) in Bluekitchen Gmbh Btstack, published March 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. No source names a fixed version.