CVE-2026-96402 - Vulnerability Details - OpenCVE

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.

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Tue, 20 Oct 2026 14:45:00 +0000

Type	Values Removed	Values Added
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.
Title		USBX PIMA/MTP host class reads past its receive buffer when a device over-reports its object handle count
Weaknesses		CWE-125
References		https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-2ch9-p8xv-fwp6
Metrics		cvssV4_0 `{'score': 5.2, 'vector': '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'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: eclipse

Published: 2026-10-20T14:31:34.182Z

Updated: 2026-10-20T15:36:16.427Z

Reserved: 2026-09-23T13:43:04.322Z

Link: CVE-2026-96402

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-10-20T15:17:37.170

Modified: 2026-10-20T15:17:37.170

Link: CVE-2026-96402

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-125

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-96402", "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "state": "PUBLISHED", "assignerShortName": "eclipse", "dateReserved": "2026-09-23T13:43:04.322Z", "datePublished": "2026-10-20T14:31:34.182Z", "dateUpdated": "2026-10-20T15:36:16.427Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "shortName": "eclipse", "dateUpdated": "2026-10-20T14:31:34.182Z"}, "title": "USBX PIMA/MTP host class reads past its receive buffer when a device over-reports its object handle count", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read", "type": "CWE"}]}], "affected": [{"vendor": "Eclipse Foundation", "product": "Eclipse ThreadX - USBX", "packageName": "USBX", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "6.5.1.202602", "versionType": "semver"}, {"status": "unaffected", "version": "6.5.2.202603"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>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.</p>"}]}], "references": [{"url": "https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-2ch9-p8xv-fwp6"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "PHYSICAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 5.2, "vectorString": "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"}}], "credits": [{"lang": "en", "value": "Microsvuln", "type": "reporter"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-20T15:35:40.214827Z", "id": "CVE-2026-96402", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-20T15:36:16.427Z"}}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "USBX", "product": "Eclipse ThreadX - USBX", "vendor": "Eclipse Foundation", "versions": [{"lessThanOrEqual": "6.5.1.202602", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "6.5.2.202603"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-96402", "lastModified": "2026-10-20T15:17:37.170", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "PHYSICAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.2, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-10-20T15:17:37.170", "references": [{"source": "[email protected]", "url": "https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-2ch9-p8xv-fwp6"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "[email protected]", "type": "Primary"}]}