Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.Referenceshttp://www.ciac.org/ciac/bulletins/j-049.shtmlhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-020http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ231457