1. Data or information that does not conform to the expected format, structure, or syntax required by a system, program, or application
The server rejected the request because it contained malformed input.
O servidor rejeitou a solicitação porque continha entrada malformada.
2. In computing, input that violates specified formatting rules, such as incorrect XML syntax, invalid JSON structure, or non-conforming command arguments
The parser encountered malformed input and threw an exception.
O analisador encontrou entrada malformada e lançou uma exceção.