CVE-2026-96582GHSA-f2fv-fqrc-h8jr
Out-of-bounds Read via Check-after-use in the USBX HID Report Descriptor Parser
Eclipse Foundation Eclipse ThreadX - USBX
CVSS
4.9MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.17%Chance of exploitation activity in the next 30 days, higher than 6% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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.
Text from CVE List
Affected versions 2
- Eclipse ThreadX - USBXaffected: all versions through 6.5.1.202602CVE List
- Eclipse ThreadX - USBXunaffected: 6.5.2.202603CVE List