CVE-2026-28528: CWE-125 Out-of-bounds Read in BlueKitchen GmbH BTstack
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.
AI Analysis
Technical Summary
CVE-2026-28528 is an out-of-bounds read vulnerability (CWE-125) in BlueKitchen GmbH's BTstack prior to version 1.8.1. The vulnerability exists in the AVRCP Browsing Target GET_FOLDER_ITEMS handler due to failure to validate packet boundaries and attribute count data properly. An attacker with a paired Bluetooth Classic connection can exploit insufficient bounds checking on the attr_id parameter, potentially causing crashes and corruption of the attribute bitmap state. The vulnerability does not have known exploits in the wild and is rated with a low CVSS score of 2.1.
Potential Impact
Exploitation of this vulnerability can lead to application crashes and corruption of internal attribute bitmap state in the affected BTstack software. This may cause denial of service conditions on devices using vulnerable versions. There is no indication of remote code execution or information disclosure from the provided data.
Mitigation Recommendations
A fix is available in BlueKitchen BTstack version 1.8.1 and later. Users should upgrade to version 1.8.1 or newer to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisory or data provided.
CVE-2026-28528: CWE-125 Out-of-bounds Read in BlueKitchen GmbH BTstack
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.
CVSS v4.0
Score 2.1low
Affected software
pkg:github/bluekitchen/btstackRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-28528 is an out-of-bounds read vulnerability (CWE-125) in BlueKitchen GmbH's BTstack prior to version 1.8.1. The vulnerability exists in the AVRCP Browsing Target GET_FOLDER_ITEMS handler due to failure to validate packet boundaries and attribute count data properly. An attacker with a paired Bluetooth Classic connection can exploit insufficient bounds checking on the attr_id parameter, potentially causing crashes and corruption of the attribute bitmap state. The vulnerability does not have known exploits in the wild and is rated with a low CVSS score of 2.1.
Potential Impact
Exploitation of this vulnerability can lead to application crashes and corruption of internal attribute bitmap state in the affected BTstack software. This may cause denial of service conditions on devices using vulnerable versions. There is no indication of remote code execution or information disclosure from the provided data.
Mitigation Recommendations
A fix is available in BlueKitchen BTstack version 1.8.1 and later. Users should upgrade to version 1.8.1 or newer to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisory or data provided.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-02-27T21:07:55.468Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 69ca8777e6bfc5ba1d3aaeb9
Added to database: 03/30/2026, 14:23:51 UTC
Last enriched: 07/15/2026, 10:49:50 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 154
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