libclamav/chmunpack.c in the chm-parser in ClamAV before 0.94 allows remote attackers to cause a denial of service (application crash) via a malformed CHM file, related to an "invalid memory access."
https://wwws.clamav.net/bugzilla/show_bug.cgi?id=1089
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00348.html
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00332.html
http://www.vupen.com/english/advisories/2008/2780
http://www.vupen.com/english/advisories/2008/2564
http://www.vupen.com/english/advisories/2008/2484
http://www.securitytracker.com/id?1020805
http://www.securityfocus.com/bid/31681
http://www.securityfocus.com/bid/30994
http://www.mandriva.com/security/advisories?name=MDVSA-2008:189
http://svn.clamav.net/svn/clamav-devel/trunk/ChangeLog
http://support.apple.com/kb/HT3216
http://sourceforge.net/project/shownotes.php?group_id=86638&release_id=623661
http://security.gentoo.org/glsa/glsa-200809-18.xml
http://secunia.com/advisories/32699
http://secunia.com/advisories/32222
http://secunia.com/advisories/32030
http://secunia.com/advisories/31982
http://secunia.com/advisories/31906
http://secunia.com/advisories/31725
http://lists.opensuse.org/opensuse-security-announce/2008-09/msg00004.html
http://lists.apple.com/archives/security-announce/2008/Oct/msg00001.html