CVE-2026-28528 json
BlueKitchen BTstack < 1.8.1 AVRCP Browsing Target GET_FOLDER_ITEMS Handler OOB Read / Undefined Behavior
published 7mo ago modified yesterday also EUVD-2026-17089
- cvss
- 4.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Is CVE-2026-28528 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 7mo ago
Exploit prediction
0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 2.1 | CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N |
| CNA | 3.1 | 4.6 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L |
| CNA | 4.0 | 2.1 | CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/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 |
| NVD | 3.1 | 4.6 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L |
Affected products
- BlueKitchen GmbH BTstack
Classification
References
-
github.com
/bluekitchen/btstack/releases/tag/v1.8.1
release-notes, patch
-
vulncheck.com
/advisories/bluekitchen-btstack-avrcp-browsing-target-get-folder-items-handler-oob-read-undefined-behavior
third-party-advisory
Sources
- CVE List CVE-2026-28528
- NVD CVE-2026-28528
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