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https://issues.apache.org/jira/browse/KAFKA-14206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17756760#comment-17756760
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Mickael Maison commented on KAFKA-14206:
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Kafka trunk has recently been updated to ZooKeeper 3.8.2:
https://github.com/apache/kafka/blob/trunk/gradle/dependencies.gradle#L151
The next release (3.6.0) is targeted for September.
>From
>[KIP-902|https://cwiki.apache.org/confluence/display/KAFKA/KIP-902%3A+Upgrade+Zookeeper+to+3.8.1],
> it seems there are compatibility issues between ZooKeeper 3.6.X and 3.8.X so
>it's tricky to do the upgrade in a bugfix release (3.5.2). If the issues are
>really critical, please open a separate ticket or start a thread on the dev
>mailing list.
I'm closing this issue as Kafka has been using ZooKeeper 3.6.4, which addresses
the CVEs mentioned here, since 3.5.0 (released in June).
> Upgrade zookeeper to 3.7.1 to address security vulnerabilities
> --------------------------------------------------------------
>
> Key: KAFKA-14206
> URL: https://issues.apache.org/jira/browse/KAFKA-14206
> Project: Kafka
> Issue Type: Improvement
> Components: packaging
> Affects Versions: 3.2.1
> Reporter: Valeriy Kassenbayev
> Priority: Blocker
>
> Kafka 3.2.1 is using ZooKeeper, which is affected by
> [CVE-2021-37136|https://security.snyk.io/vuln/SNYK-JAVA-IONETTY-1584064] and
> [CVE-2021-37137:|https://www.cve.org/CVERecord?id=CVE-2021-37137]
> {code:java}
> ✗ Denial of Service (DoS) [High
> Severity][https://security.snyk.io/vuln/SNYK-JAVA-IONETTY-1584063] in
> io.netty:netty-codec@4.1.63.Final
> introduced by org.apache.kafka:kafka_2.13@3.2.1 >
> org.apache.zookeeper:zookeeper@3.6.3 > io.netty:netty-handler@4.1.63.Final >
> io.netty:netty-codec@4.1.63.Final
> This issue was fixed in versions: 4.1.68.Final
> ✗ Denial of Service (DoS) [High
> Severity][https://security.snyk.io/vuln/SNYK-JAVA-IONETTY-1584064] in
> io.netty:netty-codec@4.1.63.Final
> introduced by org.apache.kafka:kafka_2.13@3.2.1 >
> org.apache.zookeeper:zookeeper@3.6.3 > io.netty:netty-handler@4.1.63.Final >
> io.netty:netty-codec@4.1.63.Final
> This issue was fixed in versions: 4.1.68.Final {code}
> The issues were fixed in the next versions of ZooKeeper (starting from
> 3.6.4). ZooKeeper 3.7.1 is the next stable
> [release|https://zookeeper.apache.org/releases.html] at the moment.
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