Update LibreOffice now to thwart silent macro viruses – and here's how pwn those who haven't patched their suite yet
https://www.theregister.co.uk/2019/07/30/libreoffice_macro_virus/
The Document Foundation has recently patched LibreOffice, its open-source office suite, to fix an issue where documents can be configured to run macros silently on opening.
The code execution vulnerability, reported by Nils Emmerich and assigned CVE-2019-9848, is the result of multiple flaws.