CVE-2026-96402

USBX PIMA/MTP host class reads past its receive buffer when a device over-reports its object handle count

State: Published
Severity: 5.2 Medium
Published: Oct 20, 2026
Updated: Oct 20, 2026
Reserved: Sep 23, 2026

Description

A malicious USB MTP/PTP device can cause the USBX host to read past a heap buffer during ordinary object enumeration, leaking adjacent heap contents to the application or faulting on an unmapped page.

Scores

CVSS	Score	Vector	Source
4.0	5.2 Medium	CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N	eclipse

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
Eclipse ThreadX - USBXEclipse Foundation	6.5.1.202602 and earlierAffected 6.5.2.202603Not affected

References

https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-2ch9-p8xv-fwp6

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