pdf.c in ClamAV 0.97.1 through 0.97.7 allows remote attackers to cause a denial of service (out-of-bounds-read) via a crafted length value in an encrypted PDF file.
https://github.com/vrtadmin/clamav-devel/commit/24ff855c82d3f5c62bc5788a5776cefbffce2971
https://bugzilla.clamav.net/show_bug.cgi?id=7053
http://www.ubuntu.com/usn/USN-1816-1
http://www.securityfocus.com/bid/59434
http://www.openwall.com/lists/oss-security/2013/04/29/20
http://www.openwall.com/lists/oss-security/2013/04/25/2
http://www.mandriva.com/security/advisories?name=MDVSA-2013:159
http://support.apple.com/kb/HT5892
http://support.apple.com/kb/HT5880
http://secunia.com/advisories/53182
http://secunia.com/advisories/53150
http://lists.opensuse.org/opensuse-updates/2013-06/msg00020.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2014-12/msg00006.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105575.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-June/109652.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-June/109639.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-June/109514.html
http://lists.apple.com/archives/security-announce/2013/Sep/msg00004.html
http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
http://blog.clamav.net/2013/04/clamav-0978-has-been-released.html