You want to know if the Messaging Gateway appliance is impacted by the vulnerability CVE-2022-29885.
Release : 10.7.5
Messaging Gateway is not impacted by vulnerability CVE-2022-29885 in version 10.7.5 or newer.
As of the publishing of this article, Messaging Gateway version 10.7.5 is the current fully supported release, previous versions have not been evaluated. It is highly recommended to keep the Messaging Gateway fully updated to have access to the latest security updates.