The read file content is corrupted by error prints.
It reads data from files, it may be used to do privileged reads or disclose files outside a restricted file system.
LFILE=file_to_read mtr --raw -F "$LFILE"
It runs in privileged context and may be used to access the file system, escalate or maintain access with elevated privileges if enabled on
LFILE=file_to_read sudo mtr --raw -F "$LFILE"