An issue was discovered in GNU LibreDWG 0.92. Crafted input will lead to an attempted excessive memory allocation in dwg_decode_HATCH_private in dwg.spec.
https://github.com/LibreDWG/libredwg/issues/176#issuecomment-568643088
https://github.com/LibreDWG/libredwg/issues/176
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00045.html
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00033.html