ovirt-engine up to 4.2.2 Web Console transport.py EventData information disclosure

A vulnerability, which was classified as problematic, has been found in ovirt-engine up to 4.2.2 (Virtualization Software). This issue affects the function EventData of the file transport.py of the component Web Console. Upgrading to version 4.2.3 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.