Stack-based Buffer Overflow Affecting azure-rtos/usbx package, versions [,6.4.5.202504)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published28 Jan 2026
- disclosed27 Jan 2026
- creditUnknown
Introduced: 27 Jan 2026
CVE-2025-55095 (opens in a new tab)How to fix?
Upgrade azure-rtos/usbx to version 6.4.5.202504 or higher.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow due to the lack of recursion depth limits or sector tracking in the _ux_host_class_storage_media_mount() function. An attacker can cause a stack overflow by providing a malicious or malformed disk image containing cyclic or excessively deep chains of extended partitions.