Several security issues were fixed in LibreOffice.
It was discovered that LibreOffice incorrectly handled certain document files. If a user were tricked into opening a specially crafted document, a remote attacker could cause LibreOffice to crash, and possibly execute arbitrary code. (CVE-2018-10119, CVE-2018-10120, CVE-2018-11790)
6 February 2019
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in LibreOffice.
It was discovered that LibreOffice incorrectly handled certain document files. If a user were tricked into opening a specially crafted document, a remote attacker could cause LibreOffice to crash, and possibly execute arbitrary code. (CVE-2018-10119, CVE-2018-10120, CVE-2018-11790)
It was discovered that LibreOffice incorrectly handled embedded SMB connections in document files. If a user were tricked in to opening a specially crafted document, a remote attacker could possibly exploit this to obtain sensitive information. (CVE-2018-10583)
Alex Inführ discovered that LibreOffice incorrectly handled embedded scripts in document files. If a user were tricked into opening a specially crafted document, a remote attacker could possibly execute arbitrary code. (CVE-2018-16858)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart LibreOffice to make all the necessary changes.
Vulmon