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+# OpenSearch 1.2.1 Release Notes
+
+## Release Highlights
+
+This patch releases updates the version of Log4j used in OpenSearch to Log4j 2.15.0 as recommended by the advisory in [CVE-2021-44228](https://nvd.nist.gov/vuln/detail/CVE-2021-44228). Additionally, this patch release includes an update to Linux version used in the Docker distributions as recommended by [CVE-2021-4352](https://alas.aws.amazon.com/AL2/ALAS-2021-1722.html).