{"api_version":"1","generated_at":"2026-06-26T18:56:07+00:00","cve":"CVE-2026-21734","urls":{"html":"https://cve.report/CVE-2026-21734","api":"https://cve.report/api/cve/CVE-2026-21734.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-21734","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-21734"},"summary":{"title":"GPU DDK - libusc OOB write at TreeRemove during WebGPU shader compilation","description":"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.","state":"PUBLISHED","assigner":"imaginationtech","published_at":"2026-06-26 16:16:30","updated_at":"2026-06-26 16:16:30"},"problem_types":["CWE-823","CWE-823 CWE-823: Use of Out-of-range Pointer Offset (4.16)"],"metrics":[],"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/","name":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/","refsource":"367425dc-4d06-4041-9650-c2dc6aaa27ce","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-21734","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21734","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 1.18 RTM custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 23.2 RTM custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 24.1 RTM 24.2 RTM custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 25.1 RTM 25.3 RTM custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"unaffected 26.1 RTM custom","platforms":["Linux","Android"]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unknown","platforms":["Linux","Android"],"product":"Graphics DDK","vendor":"Imagination Technologies","versions":[{"status":"affected","version":"1.18 RTM","versionType":"custom"},{"status":"affected","version":"23.2 RTM","versionType":"custom"},{"lessThanOrEqual":"24.2 RTM","status":"affected","version":"24.1 RTM","versionType":"custom"},{"lessThanOrEqual":"25.3 RTM","status":"affected","version":"25.1 RTM","versionType":"custom"},{"status":"unaffected","version":"26.1 RTM","versionType":"custom"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","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>"}],"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."}],"impacts":[{"capecId":"CAPEC-113","descriptions":[{"lang":"en","value":"CAPEC-113: Interface Manipulation (Version 3.9)"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-823","description":"CWE-823: Use of Out-of-range Pointer Offset (4.16)","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-26T15:14:00.365Z","orgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","shortName":"imaginationtech"},"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}],"source":{"discovery":"UNKNOWN"},"title":"GPU DDK - libusc OOB write at TreeRemove during WebGPU shader compilation","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","assignerShortName":"imaginationtech","cveId":"CVE-2026-21734","datePublished":"2026-06-26T15:14:00.365Z","dateReserved":"2026-01-05T11:57:27.258Z","dateUpdated":"2026-06-26T15:14:00.365Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-26 16:16:30","lastModifiedDate":"2026-06-26 16:16:30","problem_types":["CWE-823","CWE-823 CWE-823: Use of Out-of-range Pointer Offset (4.16)"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"21734","Ordinal":"1","Title":"GPU DDK - libusc OOB write at TreeRemove during WebGPU shader co","CVE":"CVE-2026-21734","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"21734","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"GPU DDK - libusc OOB write at TreeRemove during WebGPU shader co"}]}}}