Clam AntiVirus (ClamAV) 0.88.6 allows remote attackers to cause a denial of service (stack overflow and application crash) by wrapping many layers of multipart/mixed content around a document, a different vulnerability than CVE-2006-5874 and CVE-2006-6406.
http://www.vupen.com/english/advisories/2008/0924/references
http://www.vupen.com/english/advisories/2006/5113
http://www.vupen.com/english/advisories/2006/4948
http://www.trustix.org/errata/2006/0072/
http://www.securityfocus.com/bid/21609
http://www.quantenblog.net/security/virus-scanner-bypass
http://www.novell.com/linux/security/advisories/2006_78_clamav.html
http://www.mandriva.com/security/advisories?name=MDKSA-2006:230
http://www.debian.org/security/2006/dsa-1238
http://security.gentoo.org/glsa/glsa-200612-18.xml
http://secunia.com/advisories/29420
http://secunia.com/advisories/23460
http://secunia.com/advisories/23417
http://secunia.com/advisories/23411
http://secunia.com/advisories/23404
http://secunia.com/advisories/23379
http://secunia.com/advisories/23362
http://secunia.com/advisories/23347
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html