Updating packages uno-libs3 and ure to version 6.0.0-1 to match the libreoffice version seems to fix this. The versioned depend on these packages from libreoffice-core probably needs updating.
- Bug#889074: libreoffice: Libreoffice crashes on saving OOXM... Jakub Lucký
- Bug#889074: libreoffice: Libreoffice crashes on saving... Örjan Ekeberg
- Bug#889074: Confirm Jakub Lucký