CVE-2026-28528 | THREATINT

Description

BlueKitchen BTstack contains 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.

PUBLISHED Reserved 2026-02-27 | Published 2026-03-30 | Updated 2026-03-30 | Assigner VulnCheck

LOW: 2.1CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

MEDIUM: 4.6CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Problem types

CWE-125 Out-of-bounds Read

CWE-758 Reliance on Undefined, Unspecified, or Implementation-Defined Behavior

Product status

Default status
unaffected

Any version before 1.8.1
affected

Credits

Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc. finder

VulnCheck coordinator

References

github.com/bluekitchen/btstack/releases/tag/v1.8.1 release-notes patch

www.vulncheck.com/…ems-handler-oob-read-undefined-behavior third-party-advisory

cve.org (CVE-2026-28528)

nvd.nist.gov (CVE-2026-28528)

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