CVE-2026-93015

EUVD-2026-81684
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.3 MEDIUM
ADJACENT_NETWORK
LOW
LOW
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/bluekitchen/btstack
https://github.com/bluekitchen/btstack/blob/v1.8.2/src/classic/a2dp.c#L568
https://github.com/bluekitchen/btstack/blob/v1.8.2/src/classic/avdtp.c#L1703
https://github.com/bluekitchen/btstack/commit/fc208fcce056d4e0a5bb916abc90e83a383e1cdf
https://www.vulncheck.com/advisories/bluekitchen-btstack-through-1.8.2-a2dp-sep-discovery-out-of-bounds-write