
CVE-2026–5283: Uninitialized GPU Memory Disclosure via Partial Clear in ANGLE (Chrome WebGL)
Summary A vulnerability in ANGLE’s Framebuffer::partialClearNeedsInit() allows reading uninitialized GPU memory from GL_TEXTURE_2D_ARRAY textures. When glClear targets a single layer of an arrayed texture, ANGLE fails to zero-initialize the remaining layers










