{"id":"CVE-2026-96402","aliases":["EUVD-2026-105024","GHSA-2ch9-p8xv-fwp6"],"status":"published","title":"USBX PIMA/MTP host class reads past its receive buffer when a device over-reports its object handle count","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.","severity":{"version":"4.0","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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00184,"percentile":0.08043,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-10-20T14:31:34Z","modified":"2026-10-28T02:31:04Z","products":[{"vendor":"eclipse foundation","product":"eclipse threadx - usbx"}],"references":[{"url":"https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-2ch9-p8xv-fwp6","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/96xxx/CVE-2026-96402.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96402","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-96402","title":"USBX PIMA/MTP host class reads past its receive buffer when a device over-reports its object handle count","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.","status":"published","published":"2026-10-20T14:31:34.182Z","modified":"2026-10-20T15:36:16.427Z","cvss":[{"version":"4.0","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","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:20:00.511569Z"}],"euvd":[{"id":"EUVD-2026-105024","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.","status":"published","published":"2026-10-20T14:31:34Z","modified":"2026-10-20T15:36:16Z","cvss":[{"version":"4.0","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","level":"medium"}],"updated_at":"2026-11-02T16:59:43.975979Z"}],"nvd":[{"id":"CVE-2026-96402","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.","status":"published","published":"2026-10-20T15:17:37.17Z","modified":"2026-10-20T19:48:50.25Z","cvss":[{"version":"4.0","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/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","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:13:01.161484Z"}],"osv":[{"id":"CVE-2026-96402","title":"USBX PIMA/MTP host class reads past its receive buffer when a device over-reports its object handle count","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.","status":"published","published":"2026-10-20T14:31:34.182Z","modified":"2026-10-28T02:31:04.379418982Z","cvss":[{"version":"4.0","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","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:45:21.262447Z"}]}}