{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-121803",
        "assignerOrgId": "63f92e9c-2193-4c24-98a9-93640392c3d3",
        "state": "PUBLISHED",
        "assignerShortName": "Unisoc",
        "dateReserved": "2026-11-04T03:07:44.383Z",
        "datePublished": "2026-11-04T03:20:58.705Z",
        "dateUpdated": "2026-11-04T03:20:58.705Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "vendor": "Unisoc (Shanghai) Technologies Co., Ltd.",
                    "product": "Storage",
                    "versions": [
                        {
                            "version": "unspecified",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In UFS Field Firmware Update (FFU) functionality, there is a possible out-of-bounds write due to missing bounds checking on the PRDT table size. This could lead to local code execution or denial of service with no additional execution privileges needed."
                }
            ],
            "references": [
                {
                    "url": "https://www.unisoc.com/en/support/product-security-bulletin/2117818023857520641"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
                        "baseScore": 8.8,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-787",
                            "cweId": "CWE-787",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "title": "Out-of-bounds Write in UFS Firmware",
            "providerMetadata": {
                "orgId": "63f92e9c-2193-4c24-98a9-93640392c3d3",
                "shortName": "Unisoc",
                "dateUpdated": "2026-11-04T03:20:58.705Z"
            }
        }
    }
}