OSV-2020-1727 Heap-buffer-overflow in mbedtls_nist_kw_wrap

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25529 Crash type: Heap-buffer-overflow WRITE 16 Crash state: mbedtlsnistkwwrap mbedtlscipherauthencrypt cryptofuzz::module::mbedTLSdetail::encryptAEAD...