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

> A remote attacker can cause out-of-bounds writes and potential code execution by sending malformed A2DP discovery responses to devices using the BTstack library.

- **Severity:** High 7.0 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Sep 2026
- **Updated:** 17 Sep 2026
- **Also known as:** GHSA-8jfq-vh53-xqf3

## What is CVE-2026-93015?

CVE-2026-93015 is a high-severity memory corruption vulnerability in BlueKitchen GmbH BTstack, published on 17 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official 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.

Weakness: CWE-787 (Out-of-bounds Write), CWE-1284 (Improper Validation of Specified Quantity in Input)

## Which versions are affected by CVE-2026-93015?


## How do I fix CVE-2026-93015?

No fix has been published for CVE-2026-93015 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-93015 being exploited?

There is no known exploitation of CVE-2026-93015 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-93015 and fix it if it is affected.

What it is: CVE-2026-93015 is a high-severity memory corruption vulnerability in BlueKitchen GmbH BTstack, published on 17 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-93015 in the wild and no public exploit code.

Affected product: BlueKitchen GmbH BTstack. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-93015/ (Markdown: https://insights.sbomify.com/CVE-2026-93015/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-93015
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-93015
- OSV: https://osv.dev/vulnerability/CVE-2026-93015

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-93015/
Summaries are generated and may contain mistakes; the official description above is the record.