Negative, since it causes the local client to crash its also possible that something could be injected into the client. At minimal, its a bug that can cause any client to crash when connected to a server where this code has been inserted into a command block, and could be done so maliciously. This should be able to be corrected by sanitizing the input variables passed from commands.
Using incorrect syntax, improper variables, and other un-conforming methods to induce a software crash, is typically the first step to finding exploits.
What you have here, is still a bug. Improper formatting or not.
Negative, since it causes the local client to crash its also possible that something could be injected into the client. At minimal, its a bug that can cause any client to crash when connected to a server where this code has been inserted into a command block, and could be done so maliciously. This should be able to be corrected by sanitizing the input variables passed from commands.
Using incorrect syntax, improper variables, and other un-conforming methods to induce a software crash, is typically the first step to finding exploits.
What you have here, is still a bug. Improper formatting or not.