libclamunrar in ClamAV before 0.93 allows remote attackers to cause a denial of service (crash) via crafted RAR files that trigger "memory problems," as demonstrated by the PROTOS GENOME test suite for Archive Formats.
http://lists.apple.com/archives/security-announce//2008/Sep/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2008-04/msg00009.html
http://secunia.com/advisories/29891
http://secunia.com/advisories/30328
http://secunia.com/advisories/31576
http://secunia.com/advisories/31882
http://security.gentoo.org/glsa/glsa-200805-19.xml
http://up2date.astaro.com/2008/08/up2date_asg_v7300_ga_released.html
http://www.mandriva.com/security/advisories?name=MDVSA-2008:088
http://www.securityfocus.com/bid/28784
http://www.us-cert.gov/cas/techalerts/TA08-260A.html
http://www.vupen.com/english/advisories/2008/1227/references
http://www.vupen.com/english/advisories/2008/2584