CVE:CVE-2005-0199
CNNVD:CNNVD-200505-293
ngIRCd 0.8.2之前版本的lists.c中包含的Lists_MakeMask()函数存在整数下溢漏洞，远程攻击者可以通过较长的可引起不正确长度计算的MODE行来引发拒绝服务(应用程序崩溃)攻击，以及可能执行任意代码，从而导致缓冲区溢出。
solution:Upgrade ngircd ngircd to a higher version than 0.6,0.6.1,0.7,0.7.1,0.7.5,0.7.6,0.7.7,0.8,0.8.1,and avoid the version 0.6,0.6.1,0.7,0.7.1,0.7.5,0.7.6,0.7.7,0.8,0.8.1