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[USN-8055-2] Evolution Data Server vulnerability

Posted on 01 June 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8055-2
June 01, 2026

evolution-data-server vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Evolution Data Server could be made to remove files.

Software Description:
- evolution-data-server: Evolution suite data server

Details:

USN-8055-1 fixed a vulnerability in Evolution Data Server. This update
provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu
20.04 LTS.

Original advisory details:

It was discovered that Evolution Data Server incorrectly handled
removing local cache files. An attacker could possibly use this issue
to cause Evolution Data Server to remove arbitrary files.

Update instructions:

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

Ubuntu 20.04 LTS
evolution-data-server 3.36.5-0ubuntu1+esm1
Available with Ubuntu Pro

Ubuntu 18.04 LTS
evolution-data-server 3.28.5-0ubuntu0.18.04.3+esm1
Available with Ubuntu Pro

After a standard system update you need to restart your session to make all
the necessary changes.

References:
https://ubuntu.com/security/notices/USN-8055-2
https://ubuntu.com/security/notices/USN-8055-1
CVE-2026-2604

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