CVE-2026-21732— GPU DDK - libusc OOB write at ConvertSwitchToArrayLookupBP during WebGPU shader compilation

GPU DDK - libusc OOB write at ConvertSwitchToArrayLookupBP during WebGPU shader compilation

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. An edge case using a very large value in switch statements in GPU shader code can cause a segmentation fault in the GPU shader compiler due to an out-of-bounds write access.

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使用越界的指针偏移

Imagination Graphics DDK 安全漏洞

Imagination Graphics DDK是英国Imagination公司的一款GPU驱动工具套件。 Imagination Graphics DDK存在安全漏洞，该漏洞源于GPU着色器编译器库存在越界写入，可能导致崩溃。

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