Ubuntu Security Update USN-4063-1: LibreOffice vulnerabilities

[LinuxBot]

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

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.

References

• CVE-2019-9848
• CVE-2019-9849

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