The walk checked that an item fitted in the descriptor only **after** it had advanced past the header and parsed the payload, and the item analysis it relied on never measured the declared sizes against the bytes actually received. A HID peripheral returning a short report descriptor therefore drove a heap out-of-bounds read during ordinary enumeration.
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No vendor fix or workaround currently provided.
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Tracking
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Tue, 20 Oct 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Eclipse
Eclipse threadx Usbx |
|
| Vendors & Products |
Eclipse
Eclipse threadx Usbx |
Tue, 20 Oct 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 20 Oct 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A HID report descriptor is a sequence of items, each declaring in its header how many data bytes follow. The USBX host walks that sequence by advancing over each header and parsing the data behind it. The walk checked that an item fitted in the descriptor only **after** it had advanced past the header and parsed the payload, and the item analysis it relied on never measured the declared sizes against the bytes actually received. A HID peripheral returning a short report descriptor therefore drove a heap out-of-bounds read during ordinary enumeration. | |
| Title | Out-of-bounds Read via Check-after-use in the USBX HID Report Descriptor Parser | |
| Weaknesses | CWE-125 CWE-1285 |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: eclipse
Published:
Updated: 2026-10-20T15:29:25.262Z
Reserved: 2026-09-23T13:43:25.618Z
Link: CVE-2026-96582
Updated: 2026-10-20T15:29:20.811Z
Status : Awaiting Analysis
Published: 2026-10-20T14:17:04.833
Modified: 2026-10-20T19:48:50.250
Link: CVE-2026-96582
No data.
OpenCVE Enrichment
Updated: 2026-10-20T20:31:05Z