GNU LibreDWG 0.9.3.2564 has an attempted excessive memory allocation in readsectionsmap in decoder2007.c.
GNU LibreDWG 0.9.3.2564 has a NULL pointer dereference in getnextownedentity in dwg.c.
GNU LibreDWG 0.9.3.2564 has an invalid pointer dereference in dwgdynapientityvalue in dynapi.c (dynapi.c is generated by gen-dynapi.pl).