USN-4063-1: LibreOffice vulnerabilities

Releases

• Ubuntu 19.04
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• libreoffice - Office productivity suite

Details

Nils Emmerich discovered that LibreOffice incorrectly handled LibreLogo
scripts. If a user were tricked into opening a specially crafted document,
a remote attacker could cause LibreOffice to execute arbitrary code.
(CVE-2019-9848)

Matei "Mal" Badanoiu discovered that LibreOffice incorrectly handled
stealth mode. Contrary to expectations, bullet graphics could be retrieved
from remote locations when running in stealth mode. (CVE-2019-9849)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04

• libreoffice-core - 1:6.2.5-0ubuntu0.19.04.1

Ubuntu 18.04

• libreoffice-core - 1:6.0.7-0ubuntu0.18.04.8

Ubuntu 16.04

• libreoffice-core - 1:5.1.6~rc2-0ubuntu1~xenial8

After a standard system update you need to restart LibreOffice to make all
the necessary changes.

References

• CVE-2019-9848
• CVE-2019-9849