LibreOffice 3.5.x before 3.5.7.2 and 3.6.x before 3.6.1, and OpenOffice.org (OOo), allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted (1) odt file to vcllo.dll, (2) ODG (Drawing document) file to svxcorelo.dll, (3) PolyPolygon record in a .wmf (Window Meta File) file embedded in a ppt (PowerPoint) file to tllo.dll, or (4) xls (Excel) file to scfiltlo.dll.
https://www.htbridge.com/advisory/HTB23106
https://exchange.xforce.ibmcloud.com/vulnerabilities/79732
https://exchange.xforce.ibmcloud.com/vulnerabilities/79731
https://exchange.xforce.ibmcloud.com/vulnerabilities/79730
https://exchange.xforce.ibmcloud.com/vulnerabilities/79728
http://www.securityfocus.com/bid/56352
http://www.openwall.com/lists/oss-security/2012/11/02/2
http://www.libreoffice.org/advisories/cve-2012-4233/
http://www.debian.org/security/2012/dsa-2570
http://lists.opensuse.org/opensuse-updates/2012-12/msg00075.html
http://lists.opensuse.org/opensuse-updates/2012-11/msg00039.html