Upgraded libreoffice from 1:6.1.6-0ubuntu0.18.10.2 to 1:6.1.6-0ubuntu0.18.10.3 from cosmic-proposed in a clean and up-to-date cosmic amd64 VM, and verified that the crash is now resolved.
Upgraded libreoffice from 1:6.1.6- 0ubuntu0. 18.10.2 to 1:6.1.6- 0ubuntu0. 18.10.3 from cosmic-proposed in a clean and up-to-date cosmic amd64 VM, and verified that the crash is now resolved.