OSV-2021-1768 Heap-buffer-overflow in grk::GrkImage::color_esycc_to_rgb

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42958 Crash type: Heap-buffer-overflow READ 16 Crash state: grk::GrkImage::coloresycctorgb grk::GrkImage::colorConvert grkdecompressfuzzer.cpp...