CVE:CVE-2007-1669
CNNVD:CNNVD-200705-120
带有virusdef 的Barracuda Spam Firewall 和带有virusdef 的Spam Firewall 允许远程攻击者借助一个带有可以指向先前文件的direntry结构的ZOO文件存档，引起拒绝服务攻击(死循环)
solution:Upgrade amavis amavis to a higher version than 2.4.1,and avoid the version (,2.4.1]