The qtm_decompress function in libclamav/mspack.c in ClamAV before 0.96 allows remote attackers to cause a denial of service (memory corruption and application crash) via a crafted CAB archive that uses the Quantum (aka .Q) compression format. NOTE: some of these details are obtained from third party information.
git.clamav.net/gitweb?p=clamav-devel.git%3Ba=blob_plain%3Bf=ChangeLog%3Bhb=clamav-0.96
lists.apple.com/archives/security-announce/2010//Aug/msg00003.html
lists.opensuse.org/opensuse-security-announce/2010-04/msg00006.html
secunia.com/advisories/39293
secunia.com/advisories/39329
secunia.com/advisories/39656
support.apple.com/kb/HT4312
www.mandriva.com/security/advisories?name=MDVSA-2010:082
www.securityfocus.com/bid/39262
www.ubuntu.com/usn/USN-926-1
www.vupen.com/english/advisories/2010/0827
www.vupen.com/english/advisories/2010/0832
www.vupen.com/english/advisories/2010/0909
www.vupen.com/english/advisories/2010/1001
www.vupen.com/english/advisories/2010/1206
wwws.clamav.net/bugzilla/show_bug.cgi?id=1771