[USN-6942-1] Gross vulnerability

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==========================================================================
Ubuntu Security Notice USN-6942-1
August 01, 2024

gross 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:

Gross could be made to crash or to allow arbitrary code execution.

Software Description:
- gross: fast and efficient greylist server with DNSBL support

Details:

It was discovered that Gross incorrectly handled memory when composing log
entries. An attacker could possibly use this issue to cause Gross to crash,
resulting in a denial of service, or possibly execute arbitrary code.


Update instructions:

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

Ubuntu 24.04 LTS
  gross                           1.0.2-4ubuntu0.24.04.1

Ubuntu 22.04 LTS
  gross                           1.0.2-4ubuntu0.22.04.1

Ubuntu 20.04 LTS
  gross                           1.0.2-4ubuntu0.20.04.1

Ubuntu 18.04 LTS
  gross                           1.0.2-4ubuntu0.18.04.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  gross                           1.0.2-4ubuntu0.16.04.1~esm1
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-6942-1
  CVE-2023-52159

Package Information:
https://launchpad.net/ubuntu/+source/gross/1.0.2-4ubuntu0.24.04.1
https://launchpad.net/ubuntu/+source/gross/1.0.2-4ubuntu0.22.04.1
https://launchpad.net/ubuntu/+source/gross/1.0.2-4ubuntu0.20.04.1