The host is running ChaSen Software and is prone to buffer overflow vulnerability
Successful exploitation allows remote attackers to cause a buffer overflow or execute arbitrary code. Impact Level: System/Application
Use ChaSen Version 2.3.3, For updates refer to http://chasen.naist.jp/hiki/ChaSen/
The flaw is due to an error when reading user-supplied input string, which allows attackers to execute arbitrary code via a crafted string.
ChaSen Version 2.4.x