Security issue affects all versions of OpenOffice, as well as all LibreOffice releases up to and including 6.0.6/6.1.3. The bug was patched by The Document Foundation in LibreOffice 60.7/61.1. The vulnerability is currently tracked as CVE-2018-16858. At the time this article was published, OpenOffice 4.6 (the latest version ) is still vulnerable. Vulnerability is fixed only in the patched LibreOffice versions of LibreOffice.
Source: https://www.bleepingcomputer.com/news/security/openoffice-vulnerable-to-remote-code-execution-libreoffice-patched/