Hi,

>From https://mvnrepository.com/artifact/org.apache.zookeeper/zookeeper/3.4.14, 
>Zookeeper depends on Netty 3.10.6.Final.

However, Netty has CVEs for versions prior to 4.1.42.Final as per 
https://nvd.nist.gov/vuln/detail/CVE-2019-16869:
Netty before 4.1.42.Final mishandles whitespace before the colon in HTTP 
headers (such as a "Transfer-Encoding : chunked" line), which leads to HTTP 
request smuggling.

Will Zookeeper (both client and server) work if we use Netty 4.1.42.Final or 
above instead?

Also what jars are needed for the Zookeeper Client?

Thanks,
Daniel

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