Summary: A malicious workbook that has a refresh job scheduled on it can cause the Backgrounder service to crash and fail to process any subsequent jobs.
Impact: The Backgrounder service will repeatedly crash and no new jobs will be processed.
Vulnerable Versions: The following versions have this vulnerability:
Tableau Server 2018.2.0 through 2018.2.3
Tableau Server 2018.3.0
Tableau Server on Linux 2018.2.0 through 2018.2.3
Tableau Server on Linux 2018.3.0
Resolution: The issue can be fixed by upgrading to the following version:
Tableau Server 2018.2.4
Tableau Server 2018.3.1
Tableau Server on Linux 2018.2.4
Tableau Server on Linux 2018.3.1
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