Thank you to Dan Andronache for providing this information!
Please find below how/if the Log4j vulnerability impacts the above mentioned products:
For full information please check Security Alert CVE-2021-45046 CVE-2021-44228 CVE-2021-44832 CVE-2021-45105 Patch Availability Document for SQL Developer and SQL Developer Data Modeler (Doc ID 2828123.1)
Tanya Heise is part of the Oracle Proactive Support team. During my years at Oracle, I have worked in both Technical Support and Consulting Services.