[prev in list] [next in list] [prev in thread] [next in thread] 

List:       ubuntu-security-announce
Subject:    [USN-5153-1] LibreOffice vulnerabilities
From:       Marc Deslauriers <marc.deslauriers () canonical ! com>
Date:       2021-11-22 13:52:09
Message-ID: 86b9f49a-6669-df69-a272-e23abbf93a6d () canonical ! com
[Download RAW message or body]

[Attachment #2 (multipart/signed)]

[Attachment #4 (multipart/mixed)]


==========================================================================
Ubuntu Security Notice USN-5153-1
November 22, 2021

libreoffice vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

Summary:

LibreOffice could incorrectly validate document signatures.

Software Description:
- 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 20.04 LTS:
  libreoffice-core                1:6.4.7-0ubuntu0.20.04.2

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

References:
  https://ubuntu.com/security/notices/USN-5153-1
  CVE-2021-25633, CVE-2021-25634

Package Information:
  https://launchpad.net/ubuntu/+source/libreoffice/1:6.4.7-0ubuntu0.20.04.2


["OpenPGP_signature.asc" (application/pgp-signature)]
[Attachment #8 (text/plain)]

-- 
ubuntu-security-announce mailing list
ubuntu-security-announce@lists.ubuntu.com
Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce


[prev in list] [next in list] [prev in thread] [next in thread]