There is no error handling of the parsing of submitted data which could cause problems. We also don't want to entirely rely on the configuration of nginx / apache etc front end http server to handle all the issues like rate limiting and payload size handling.
commit 9453ced5823c945477010a4e6f7394997f2d2301 Parser: Add basic catching of exceptions from invalid data When we catch these exceptions make sure we send back a useful response and a http 500 status code
Verified.