OSV-2020-1472 Heap-buffer-overflow in stbi__YCbCr_to_RGB_simd

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22605 Crash type: Heap-buffer-overflow READ 8 Crash state: stbiYCbCrtoRGBsimd loadjpegimage stbijpegload...

OSV-2020-1478 Heap-buffer-overflow in load_jpeg_image

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23153 Crash type: Heap-buffer-overflow READ 1 Crash state: loadjpegimage stbijpegload stbiloadmain...