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CVE-2026-93015— BlueKitchen BTstack through 1.8.2 A2DP SEP Discovery Out-of-Bounds Write

Quick assessment

Affected
BlueKitchen GmbH BTstack
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

BlueKitchen BTstack 1.8.2 及之前版本在 A2DP 流端点发现过程中，未能验证对端报告的端点数量是否在固定表边界之内。已配对的蓝牙设备可以发送一个包含超出固定表容量端点数量的 AVDTP DISCOVER 响应，从而导致越界写入，破坏相邻的静态对象，进而引发进程崩溃或中断事件传递。

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-93015

Vulnerability Information
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Vulnerability Title
BlueKitchen BTstack through 1.8.2 A2DP SEP Discovery Out-of-Bounds Write
Source: CVE Program / CVE List V5
Vulnerability Description
BlueKitchen BTstack through 1.8.2 fails to validate the peer-reported endpoint count against table bounds in A2DP stream endpoint discovery. A bonded peer can send an AVDTP DISCOVER response with more endpoints than the fixed table holds, causing out-of-bounds writes that corrupt adjacent static objects and crash the process or sever event delivery.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
BlueKitchen GmbH BTstack 0 ~ 1.8.2 -

II. Public POCs for CVE-2026-93015

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III. Intelligence Information for CVE-2026-93015

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Patches & Fixes for CVE-2026-93015 (1)

Vendor Advisories for CVE-2026-93015 (1)

IV. Related Vulnerabilities

Same product: BTstack
Same vendor: BlueKitchen GmbH
Same weakness: CWE-787

V. Comments for CVE-2026-93015

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