The parsing engine in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows remote attackers to bypass scanning via a RAR file with a header flag value of 10, which can be processed by WinRAR.
kolab.org/security/kolab-vendor-notice-15.txt
lurker.clamav.net/message/20070530.224918.5c64abc4.en.html
osvdb.org/45392
secunia.com/advisories/25523
secunia.com/advisories/25525
secunia.com/advisories/25688
secunia.com/advisories/25796
security.gentoo.org/glsa/glsa-200706-05.xml
svn.clamav.net/svn/clamav-devel/trunk/ChangeLog
www.debian.org/security/2007/dsa-1320
www.novell.com/linux/security/advisories/2007_33_clamav.html
exchange.xforce.ibmcloud.com/vulnerabilities/34823
wwws.clamav.net/bugzilla/show_bug.cgi?id=511