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https://issues.apache.org/jira/browse/KAFKA-20054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18050834#comment-18050834
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Chia-Ping Tsai commented on KAFKA-20054:
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KAFKA-19951 has upgraded the lz4, so the CVE will be resolved in the upcoming
release (4.2.0 and 3.9.2)
> Critical Security Vulnerability reported for the dependency lz4-java-1.8.0
> jar used in Kafka-clients
> ----------------------------------------------------------------------------------------------------
>
> Key: KAFKA-20054
> URL: https://issues.apache.org/jira/browse/KAFKA-20054
> Project: Kafka
> Issue Type: Bug
> Reporter: Ashokkumar
> Priority: Major
>
> Hello Team,
> There is a Critical Security Vulnerability reported for the dependency
> lz4-java-1.8.0 jar used in Kafka-clients project
> [CVE-2025-66566](https://www.cve.org/CVERecord?id=CVE-2025-66566)
> [CVE-2025-12183](https://www.cve.org/CVERecord?id=CVE-2025-12183)
> As the lz4 code is now moved to a new package structure and also the latest
> code base of Kafka-clients is already using it, is there a date where we can
> get an updated jar into Maven which will incorporate this fix ?
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