Multiple stack-based buffer overflows in Medicomp MEDCIN Engine before 2.22.20153.226 might allow remote attackers to execute arbitrary code via a crafted packet on port 8190, related to (1) the SetGroupSequenceEx na_setgroupsequenceex function, (2) the FormatDate julptostr function, and (3) the UserFindingCodes addtocl function.