[USN-8552-1] Sympa vulnerability

[noreply+usn-bot at canonical.com]

==========================================================================
Ubuntu Security Notice USN-8552-1
July 15, 2026

sympa vulnerability
==========================================================================

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

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Sympa could allow unintended access to network services.

Software Description:
- sympa: mailing list management software

Details:

It was discovered that Sympa did not properly validate input on the
generic SSO login. A remote attacker could possibly use this issue to
perform a path traversal attack and gain unintended access.

Update instructions:

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

Ubuntu 24.04 LTS
  sympa                           6.2.70~dfsg-2+deb12u1build0.24.04.1

Ubuntu 22.04 LTS
  sympa                           6.2.66~dfsg-2ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 20.04 LTS
  sympa                           6.2.40~dfsg-4ubuntu0.20.04.1~esm2
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  sympa                           6.2.24~dfsg-1ubuntu0.1~esm2
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  sympa                           6.1.24~dfsg-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-8552-1
  CVE-2024-55919

Package Information:
  https://launchpad.net/ubuntu/+source/sympa/6.2.70~dfsg-2+deb12u1build0.24.04.1
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