Buffer overflow in cgicso.c for cgiemail 1.6 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long query parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/10595
https://euvd.enisa.europa.eu/vulnerability/EUVD-2002-1633
http://www.securityfocus.com/bid/6141
http://www.securiteam.com/exploits/5TP0W005FE.html