Please update your SEPPmail VM- or HW-Appliance to the latest OS version immediately (15.0.4.x branch). These critical updates are required to mitigate known vulnerabilities. Source: https://seppmail.statuspal.eu/info_notices/235299
Please find more information about the fixed security findings (including CVEs) and other release information in the extended release notes as well as here in the statuspal information for release 15.0.4.2: https://seppmail.statuspal.eu/info_notices/234818
