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vuln-cve/data/2026/21xxx/CVE-2026-21734.json
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{
"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"
}
}
]
}
}