OSV-2021-821 Stack-buffer-overflow in jsoncons::bson::decimal128_to_chars

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34816 Crash type: Stack-buffer-overflow WRITE 6 Crash state: jsoncons::bson::decimal128tochars jsoncons::bson::basicbsonparserjsoncons::binarystreamsource, std::1::allo...

OSV-2021-703 Container-overflow in unsigned long jsoncons::detail::escape_string<char, jsoncons::string_sink<std::_

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33781 Crash type: Container-overflow READ 1 Crash state: unsigned long jsoncons::detail::escapestring::key...