CVE-2026-116488
NXP MCUXpresso SDK USB Middleware before 2.13.0 Heap Overflow via Host Class Drivers
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Description
NXP MCUXpresso SDK USB middleware (mcuxsdk-middleware-usb) before 2.13.0 contains a heap buffer overflow in host audio, video and CDC class drivers that trust device-supplied bNumEndpoints and bLength values. A malicious USB device can supply crafted descriptors that write endpoint entries past the fixed-size epList array, corrupting heap memory for code execution or denial of service.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://github.com/nxp-mcuxpresso/mcuxsdk-middleware-usb/commit/264b8e6849e609abd8e2b045bc7786818b0d2bbc
- https://github.com/nxp-mcuxpresso/mcuxsdk-middleware-usb/commit/6a1d1a7c32026e6d83504415931c4ae97ef7b7a1
- https://github.com/nxp-mcuxpresso/mcuxsdk-middleware-usb/commit/f615b03e302f0c58de5bf1cfeb31dfb85a2e514a
References (7)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- PHYSICAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Quick Info
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