{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-41157: GPU DDK - OOB Write in CalculateNPOTTwiddleSparsePageMap3D","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-41157","status":"final","version":"1","initial_release_date":"2026-06-12T21:53:00.776Z","current_release_date":"2026-06-15T15:14:03.996Z","revision_history":[{"date":"2026-06-12T21:53:00.776Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"A web page that contains unusual WebGPU content loaded into the GPU GLES render process and can trigger an out-of-bound write in the GPU user-space driver, leading to memory corruption and possible browser/GPU process crash.\n\n\n\nThe software computes a required memory size from untrusted input, but integer overflow can produce a value smaller than needed. Subsequent write operations may then occur past the intended memory boundary, corrupting adjacent memory and causing process instability or termination.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-41157 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-41157"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-41157"},{"category":"external","summary":"imaginationtech.com","url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}]},"product_tree":{"branches":[{"category":"vendor","name":"Imagination Technologies","branches":[{"category":"product_name","name":"Graphics DDK","branches":[{"category":"product_version","name":"1.18 RTM","product":{"name":"Imagination Technologies Graphics DDK 1.18 RTM","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:imagination_technologies:graphics_ddk:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"23.2 RTM","product":{"name":"Imagination Technologies Graphics DDK 23.2 RTM","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:imagination_technologies:graphics_ddk:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"24.2 RTM","product":{"name":"Imagination Technologies Graphics DDK 24.2 RTM","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:imagination_technologies:graphics_ddk:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=25.1 RTM <=25.3 RTM","product":{"name":"Imagination Technologies Graphics DDK >=25.1 RTM <=25.3 RTM","product_id":"CSAFPID-4","product_identification_helper":{"cpe":"cpe:2.3:a:imagination_technologies:graphics_ddk:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"26.1 RTM","product":{"name":"Imagination Technologies Graphics DDK 26.1 RTM","product_id":"CSAFPID-5","product_identification_helper":{"cpe":"cpe:2.3:a:imagination_technologies:graphics_ddk:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"26.2 RTM","product":{"name":"Imagination Technologies Graphics DDK 26.2 RTM","product_id":"CSAFPID-6","product_identification_helper":{"cpe":"cpe:2.3:a:imagination_technologies:graphics_ddk:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-41157","title":"GPU DDK - OOB Write in CalculateNPOTTwiddleSparsePageMap3D","notes":[{"category":"description","text":"A web page that contains unusual WebGPU content loaded into the GPU GLES render process and can trigger an out-of-bound write in the GPU user-space driver, leading to memory corruption and possible browser/GPU process crash.\n\n\n\nThe software computes a required memory size from untrusted input, but integer overflow can produce a value smaller than needed. Subsequent write operations may then occur past the intended memory boundary, corrupting adjacent memory and causing process instability or termination.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5"],"fixed":["CSAFPID-6"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 26.2 RTM.","product_ids":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5"]}]}]}