UPDATE

BIND,clamavです。

[ebuild U ] media-libs/libgii-1.0.2 [0.9.0] USE="X" 685 kB
[ebuild U ] net-dns/bind-9.3.4-r3 [9.3.4-r2] USE="berkdb ipv6 ldap mysql postgres ssl -dlz -doc -idn -odbc -resolvconf (-selinux) -threads" 0 kB
[ebuild U ] app-antivirus/clamav-0.90.3 [0.90.2] USE="crypt curl milter nls -bzip2 -logrotate -mailwrapper (-selinux)" 12,204 kB
[ebuild U ] media-libs/libggi-2.2.2 [2.1.1] USE="X aalib directfb fbcon mmx svga -3dfx -debug (-vis)" 1,047 kB