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CVE-2026-93015

BlueKitchen BTstack through 1.8.2 A2DP SEP Discovery Out-of-Bounds Write

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerBlueKitchen GmbH
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Produkt BTstack
Default Statusunaffected
Version <= 1.8.2
Version 0
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.159
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
disclosure@vulncheck.com 7 0 0
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/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
disclosure@vulncheck.com 6.3 2.1 4.2
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
CWE-1284 Improper Validation of Specified Quantity in Input

The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://github.com/bluekitchen/btstack/commit/fc208fcce056d4e0a5bb916abc90e83a383e1cdf
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
https://www.vulncheck.com/advisories/bluekitchen-btstack-through-1.8.2-a2dp-sep-discovery-out-of-bounds-write