{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-21734",
        "assignerOrgId": "367425dc-4d06-4041-9650-c2dc6aaa27ce",
        "state": "PUBLISHED",
        "assignerShortName": "imaginationtech",
        "dateReserved": "2026-01-05T11:57:27.258Z",
        "datePublished": "2026-06-26T15:14:00.365Z",
        "dateUpdated": "2026-06-26T19:13:09.026Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "367425dc-4d06-4041-9650-c2dc6aaa27ce",
                "shortName": "imaginationtech",
                "dateUpdated": "2026-06-26T15:14:00.365Z"
            },
            "title": "GPU DDK - libusc OOB write at TreeRemove during WebGPU shader compilation",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-823",
                            "description": "CWE-823: Use of Out-of-range Pointer Offset (4.16)",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-113",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-113: Interface Manipulation (Version 3.9)"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Imagination Technologies",
                    "product": "Graphics DDK",
                    "platforms": [
                        "Linux",
                        "Android"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "1.18 RTM",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "23.2 RTM",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "24.1 RTM",
                            "lessThanOrEqual": "24.2 RTM",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "25.1 RTM",
                            "lessThanOrEqual": "25.3 RTM",
                            "versionType": "custom"
                        },
                        {
                            "status": "unaffected",
                            "version": "26.1 RTM",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unknown"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A web page that contains unusual GPU shader code is loaded into the GPU compiler process and can trigger a write out-of-bounds write crash in the GPU shader compiler library. On certain platforms, when the compiler process has system privileges this could enable further exploits on the device.\n\n\n\nAn edge case using a very small value in GPU shader code can cause a segmentation fault in the GPU shader compiler due to am out-of-bounds write.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>A web page that contains unusual GPU shader code is loaded into the GPU compiler process and can trigger a write out-of-bounds write crash in the GPU shader compiler library. On certain platforms, when the compiler process has system privileges this could enable further exploits on the device.</p><p>An edge case using a very small value in GPU shader code can cause a segmentation fault in the GPU shader compiler due to am out-of-bounds write.</p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.imaginationtech.com/gpu-driver-vulnerabilities/"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 7.7,
                            "attackVector": "LOCAL",
                            "baseSeverity": "HIGH",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-06-26T19:12:05.663656Z",
                                "id": "CVE-2026-21734",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-06-26T19:13:09.026Z"
                }
            }
        ]
    }
}