CVE:CVE-2005-1711
CNNVD:CNNVD-200505-1157
Gibraltar Firewall 2.2及更早版本，当使用ClamAV更新到Squid 0.81时，使用一个defunct ClamAV方法来扫描内存检查病毒，没有返回错误代码并且使得病毒无法被侦测。
solution:Upgrade clam_anti-virus clamav to a higher version than 0.90.2,and avoid the version 0.90.2; Upgrade gibraltar gibraltar_firewall to a higher version than 2.2,and avoid the version 2.2; Upgrade squid squid to a higher version than 2.6.stable1,and avoid the version 2.6.stable1