I have Erlang OTP 21 v10.0.1 (v21.0.1) installed on my machine. Is this version impacted by the vulnerability? I tried to check online but couldn’t find any confirmation if so.
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Wikipedia (C):
Apache Log4j is a Java-based logging utility originally written by Ceki Gülcü.
It is part of the Apache Logging Services, a project of the Apache Software Foundation.
Log4j is one of several Java logging frameworks.
I suppose no, because Erlang is not a Java and don’t use Log4j by default. Of course, if Erlang project by some reason has an integration with Log4j - then yes 
. But Erlang himself is invulnerable.
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