Wei-Chiu Chuang created HADOOP-18050:
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             Summary: Document Hadoop's stance on the log4jshell vulnerability
                 Key: HADOOP-18050
                 URL: https://issues.apache.org/jira/browse/HADOOP-18050
             Project: Hadoop Common
          Issue Type: Task
          Components: documentation
            Reporter: Wei-Chiu Chuang


As of today, Hadoop relies on log4j-1, not log4j2. It is understood that the 
log4jshell vulnerability (CVE-2021-44228) does not impact log4j-1. Given the 
widespread attention to the incidence, we should make it clear that Hadoop is 
not susceptible to the attack.



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