gnutls: Heap-buffer-overflow in nettle_sha512_update

Project: https://gitlab.com/gnutls/gnutls.git Detailed report: https://oss-fuzz.com/testcase?key=6325863039631360 Project: gnutls Fuzzer: aflgnutlsprivatekeyparserfuzzer Fuzz target binary: gnutlsprivatekeyparserfuzzer Job Type: aflasangnutls Platform Id: linux Crash Type: Heap-buffer-overflow RE...