1. Ubuntu Security Notices
  2. USN-5153-1

USN-5153-1: LibreOffice vulnerabilities

Publication date

22 November 2021

Overview

LibreOffice could incorrectly validate document signatures.

Releases

Packages

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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.04 focal libreoffice-core –  1:6.4.7-0ubuntu0.20.04.2

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References

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