The administration interface in Monit 1.4 through 4.2 allows remote attackers to cause an off-by-one overflow via a POST that contains 1024 bytes.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15736
http://www.tildeslash.com/monit/secadv_20040305.txt
http://www.tildeslash.com/monit/changes.html
http://secunia.com/advisories/11304
http://marc.info/?l=bugtraq&m=108119149103696&w=2
http://archives.neohapsis.com/archives/vulnwatch/2004-q1/0076.html