An unauthenticated attacker can read worklist records from a directory outside the intended per-AE worklist storage area. In a multi-area deployment, this can cross departmental or clinic data separation.
The maintainer was notified of these vulnerabilities and has provided a fix. The fix is included in the latest commits and can be obtained in the following snapshot:
https://github.com/DCMTK/dcmtk/releases/tag/latest