NOTE: You are looking at documentation for an older release. For the latest information, see the current release documentation.
Elasticsearch version 6.8.21edit
Also see Breaking changes in 6.8.
Security updatesedit
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A high severity vulnerability (CVE-2021-44228) for Apache Log4j 2 versions 2.0 to 2.14 was disclosed publicly on the project’s GitHub on December 9, 2021.
For information about affected Elasticsearch versions and mitigation steps, see our related security announcement.