envoy/header_map_impl_fuzz_test: Heap-buffer-overflow in Envoy::StringUtil::itoa

Project: https://github.com/envoyproxy/envoy.git Detailed report: https://oss-fuzz.com/testcase?key=5689833624698880 Project: envoy Fuzzer: libFuzzerenvoyheadermapimplfuzztest Fuzz target binary: headermapimplfuzztest Job Type: libfuzzerasanenvoy Platform Id: linux Crash Type: Heap-buffer-overflo...