io.netty.handler.codec.EncoderException: java.io.IOException: String too big (was 61545 bytes encoded, max 32767)

a new glitch bug extreemly important needs fixing asap
basicly a player come on server and types /me @a @a @a @a @a @a @a @a @a and on till cant no more
then it prints everyones name in chat causeing the client to instantly crash because the string length is too small.
this is a new way players are attacking servers to get op etc etc please fix this URGENT

here is a link to the exploit posted on hack forum for all to know
http://www.hackforums.net/showthread.php?tid=3963589