NOTE: You are looking at documentation for an older release. For the latest information, see the current release documentation.
Elasticsearch version 6.8.21
editElasticsearch 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.