USN-5330-1: LibreOffice vulnerability

Releases

• Ubuntu 21.10
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

Packages

• libreoffice - Office productivity suite

Details

It was discovered that LibreOffice incorrectly handled digital signatures.
An attacker could possibly use this issue to create a specially crafted
document that would display a validly signed indicator, contrary to
expectations.

Update instructions

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

Ubuntu 21.10

• libreoffice-core - 1:7.2.5-0ubuntu0.21.10.3

Ubuntu 20.04

• libreoffice-core - 1:6.4.7-0ubuntu0.20.04.4

Ubuntu 18.04

• libreoffice-core - 1:6.0.7-0ubuntu0.18.04.11

In general, a standard system update will make all the necessary changes.

References

• CVE-2021-25636