ClamAV 0.92 does not recognize Base64 UUEncoded archives, which allows remote attackers to bypass the scanner via a Base64-UUEncoded file.
lists.opensuse.org/opensuse-security-announce/2008-04/msg00009.html
secunia.com/advisories/29891
securityreason.com/securityalert/3501
www.securityfocus.com/archive/1/485631/100/0/threaded
www.securityfocus.com/bid/27064
www.securitytracker.com/id?1019148
exchange.xforce.ibmcloud.com/vulnerabilities/39337