OSV-2022-836 Heap-buffer-overflow in jxl::N_AVX2::BlendingStage::ProcessPaddingRow

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50915 Crash type: Heap-buffer-overflow READ Crash state: jxl::NAVX2::BlendingStage::ProcessPaddingRow jxl::LowMemoryRenderPipeline::RenderPadding jxl::LowMemoryRenderPipeline::ProcessBuffers...

OSV-2022-580 Heap-buffer-overflow in jxl::N_AVX2::BlendingStage::ProcessPaddingRow

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=49049 Crash type: Heap-buffer-overflow WRITE Crash state: jxl::NAVX2::BlendingStage::ProcessPaddingRow jxl::LowMemoryRenderPipeline::RenderPadding jxl::LowMemoryRenderPipeline::ProcessBuffers...