Secure log4j for elasticsearch


We have a server with logstash and Elasticsearch installed on it, I updated these two items to 7.16.1.
When I search for files that say "* log4j *", there are always items mentioning version 2.11.1 of log4j :


Can you tell me if this is normal and if not how to fix it ?

Thanks for your help

I found my answer in this topic Apache Log4j2 Remote Code Execution (RCE) Vulnerability - CVE-2021-44228 - ESA-2021-31

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