The FormWidgetChoice::loadDefaults function in Poppler before 0.10.4 allows remote attackers to cause a denial of service (crash) via a PDF file with an invalid Form Opt entry.
http://www.ubuntu.com/usn/USN-850-1
http://www.securityfocus.com/bid/33749
http://www.securityfocus.com/archive/1/502761/100/0/threaded
http://www.openwall.com/lists/oss-security/2009/02/19/2
http://www.openwall.com/lists/oss-security/2009/02/13/1
http://www.debian.org/security/2009/dsa-1941
http://wiki.rpath.com/Advisories:rPSA-2009-0059
http://secunia.com/advisories/37114
http://secunia.com/advisories/35685
http://secunia.com/advisories/33853
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html