---
id: CVE-2025-55097
title: >-
  In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX,
  there was a potential out of bound read issue in
  _ux_host_class_audio_streaming_sampling_get() when parsing a descriptor of an
  USB streaming device.
summary: >-
  In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX,
  there was a potential out of bound read issue in
  _ux_host_class_audio_streaming_sampling_get() when parsing a descriptor of an
  USB streaming device.
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H'
cwe:
  - CWE-125
vendor: eclipse
product: threadx_usbx
affected:
  - threadx_usbx < 6.4.3.202503
patched:
  - threadx_usbx 6.4.3.202503
published: '2025-10-17'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T10:10:00.193'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-55097'
references:
  - url: >-
      https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-r6h5-fmhc-v3j7
    label: emo@eclipse.org
tags:
  - nvd
epss: 0.00269
epssPercentile: 0.17505
ingestedAt: '2026-10-09T12:53:29.112Z'
---

## Overview

In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _ux_host_class_audio_streaming_sampling_get() when parsing a descriptor of an USB streaming device.

## Affected

- `threadx_usbx < 6.4.3.202503`

## Remediation

Upgrade past the affected range:

- `threadx_usbx 6.4.3.202503`