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Ubuntu Security Notice USN-4063-1
July 17, 2019

libreoffice vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in LibreOffice.

Software Description:
- 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 LTS:
  libreoffice-core                1:6.0.7-0ubuntu0.18.04.8

Ubuntu 16.04 LTS:
  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:
  https://usn.ubuntu.com/4063-1
  CVE-2019-9848, CVE-2019-9849

Package Information:
  https://launchpad.net/ubuntu/+source/libreoffice/1:6.2.5-0ubuntu0.19.04.1
  https://launchpad.net/ubuntu/+source/libreoffice/1:6.0.7-0ubuntu0.18.04.8
  https://launchpad.net/ubuntu/+source/libreoffice/1:5.1.6~rc2-0ubuntu1~xenial8