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https://issues.apache.org/jira/browse/HADOOP-16451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16892346#comment-16892346
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Duo Zhang commented on HADOOP-16451:
------------------------------------

My 2 cents:

1. It is fine to offically say that a release line is EOL. For HBase we will 
drop the support for legacy releases while releasing a new minor release.
2. It is still more friendly to make more 2.8.x and 2.7.x releases due to CVEs, 
so for the current release lines, we could still benefit, as in general, at 
least for HBase, we can not drop an entire hadoop release line support in a new 
patch release, i.e, if 2.2.0 has the support for 2.8.x, if we make a new 2.8.6 
release, we will drop the support for 2.8.[1-5], due to the CVEs, and only 
support 2.8.6. But if we do not make any new releases for 2.8.x, we probably 
could only stay on 2.8.5 then...

Thanks.

> Update jackson-databind to 2.9.9.1
> ----------------------------------
>
>                 Key: HADOOP-16451
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16451
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Wei-Chiu Chuang
>            Assignee: Siyao Meng
>            Priority: Major
>             Fix For: 3.3.0
>
>         Attachments: HADOOP-16451.001.patch, HADOOP-16451.002.patch
>
>
> https://nvd.nist.gov/vuln/detail/CVE-2019-12814
> CVE-2019-12814 flags 2.9.9 as vulnerable. A new version 2.9.9.1 is available.



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