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 6.8.21
editAlso see Breaking changes in 6.8.
Security updates
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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.