A security issue affects these releases of Ubuntu and its derivatives:
USN-3579-1 caused a regression in LibreOffice.
- libreoffice – Office productivity suite
USN-3579-1 fixed a vulnerability in LibreOffice. After upgrading, it was
no longer possible for LibreOffice to open documents from certain
locations outside of the user’s home directory. This update fixes the
We apologize for the inconvenience.
Original advisory details:
It was discovered that =WEBSERVICE calls in a document could be used to
read arbitrary files. If a user were tricked in to opening a specially
crafted document, a remote attacker could exploit this to obtain sensitive
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 17.10
- libreoffice-common – 1:5.4.5-0ubuntu0.17.10.4
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.
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