OSV-2022-608 Heap-use-after-free in jxl::WriteToPixelCallbackStage::ProcessRow

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=49277 Crash type: Heap-use-after-free READ 4 Crash state: jxl::WriteToPixelCallbackStage::ProcessRow jxl::LowMemoryRenderPipeline::RenderRect jxl::LowMemoryRenderPipeline::ProcessBuffers...

OSV-2022-265 Heap-buffer-overflow in jxl::WriteToPixelCallbackStage::ProcessRow

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45833 Crash type: Heap-buffer-overflow READ 4 Crash state: jxl::WriteToPixelCallbackStage::ProcessRow jxl::LowMemoryRenderPipeline::RenderRect jxl::LowMemoryRenderPipeline::ProcessBuffers...