Heap-based buffer overflow in the ms_escher_get_data function in plugins/excel/ms-escher.c in GNOME Office Gnumeric before 1.12.9 allows remote attackers to cause a denial of service (crash) via a crafted xls file with a crafted length value.
https://projects.gnome.org/gnumeric/announcements/1.12/gnumeric-1.12.9.shtml
http://www.securityfocus.com/bid/64459
http://secunia.com/advisories/56678
http://lists.opensuse.org/opensuse-updates/2014-02/msg00018.html