Stack-based buffer overflow in lpd.exe in Mocha W32 LPD 1.9 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted "recieve jobs" request. NOTE: some of these details are obtained from third party information.
http://www.corelan.be:8800/wp-content/forum-file-uploads/mr_me/mochalpd.py_.txt