OSV-2020-2300 Heap-buffer-overflow in H5MM_strdup

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29493 Crash type: Heap-buffer-overflow READ Crash state: H5MMstrdup H5Oattrshareddecode H5Omsgiteratereal...

OSV-2020-864 Heap-buffer-overflow in H5O_attr_shared_decode

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18806 Crash type: Heap-buffer-overflow READ Crash state: H5Oattrshareddecode H5Omsgiteratereal H5Oattropenbyname...