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Ubuntu 19.04, 18.04, 16.04: 4063-1 Critical LibreOffice Threats

ubuntu
Calendar Grey July 17, 2019
Dist Ubuntu Esm H88
Multiple security flaws addressed in LibreOffice impacting Ubuntu 19.04, 18.04 LTS, and 16.04 LTS versions.
Several security issues were fixed in LibreOffice.

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)

Topics%20covered

Topics Covered

security advisory code execution Ubuntu LibreOffice stealth mode

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://ubuntu.com/security/notices/USN-4063-1

CVE-2019-9848, CVE-2019-9849

Severity
critical
Lowest
Low
Medium
High
Critical

July 17, 2019

Topics%20covered

Topics Covered

security advisory code execution Ubuntu LibreOffice stealth mode

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

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