{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-55095",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-27T15:57:28.543629Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-27T15:58:14.494Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Eclipse ThreadX - USBX",
          "repo": "https://github.com/eclipse-threadx/usbx",
          "vendor": "Eclipse Foundation",
          "versions": [
            {
              "lessThanOrEqual": "6.4.2",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
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              "base64": false,
              "type": "text/html",
              "value": "The function \u003ccode\u003e_ux_host_class_storage_media_mount()\u003c/code\u003e\u0026nbsp;is responsible for mounting partitions on a USB mass storage device. When it encounters an extended partition entry in the partition table, it recursively calls itself to mount the next logical partition.\u003cbr\u003e\u003cbr\u003eThis recursion occurs in \u003ccode\u003e_ux_host_class_storage_partition_read()\u003c/code\u003e, which parses up to four partition entries. If an extended partition is found (with type \u003ccode\u003eUX_HOST_CLASS_STORAGE_PARTITION_EXTENDED\u003c/code\u003e\u0026nbsp;or \u003ccode\u003eEXTENDED_LBA_MAPPED\u003c/code\u003e), the code invokes:\u003cbr\u003e\u003ccode\u003e\u003ccode\u003e            _ux_host_class_storage_media_mount(storage, sector + _ux_utility_long_get(...));\u003cbr\u003e\n\u003c/code\u003e\u003c/code\u003e\u003cbr\u003eThere is no limit on the recursion depth or tracking of visited sectors. As a result, a malicious or malformed disk image can include cyclic or excessively deep chains of extended partitions, causing the function to recurse until stack overflow occurs.\u003cbr\u003e\u003cbr\u003e"
            }
          ],
          "value": "The function _ux_host_class_storage_media_mount()\u00a0is responsible for mounting partitions on a USB mass storage device. When it encounters an extended partition entry in the partition table, it recursively calls itself to mount the next logical partition.\n\nThis recursion occurs in _ux_host_class_storage_partition_read(), which parses up to four partition entries. If an extended partition is found (with type UX_HOST_CLASS_STORAGE_PARTITION_EXTENDED\u00a0or EXTENDED_LBA_MAPPED), the code invokes:\n            _ux_host_class_storage_media_mount(storage, sector + _ux_utility_long_get(...));\n\n\nThere is no limit on the recursion depth or tracking of visited sectors. As a result, a malicious or malformed disk image can include cyclic or excessively deep chains of extended partitions, causing the function to recurse until stack overflow occurs."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 4.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "CWE-121  Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-674",
              "description": "CWE-674 Uncontrolled Recursion",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-27T15:34:47.755Z",
        "orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
        "shortName": "eclipse"
      },
      "references": [
        {
          "url": "https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-qfmp-wch9-rpv2"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
    "assignerShortName": "eclipse",
    "cveId": "CVE-2025-55095",
    "datePublished": "2026-01-27T15:34:47.755Z",
    "dateReserved": "2025-08-06T18:56:43.458Z",
    "dateUpdated": "2026-01-27T15:58:14.494Z",
    "state": "PUBLISHED"
  },
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}