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https://issues.apache.org/jira/browse/HADOOP-15299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16412302#comment-16412302
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Daniel Templeton commented on HADOOP-15299:
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The change looks safe enough, as long as you've tested it thoroughly, which it
sounds like you have. Given that it closes out some CVEs, I'd say we should
get it in.
+1
> Bump Hadoop's Jackson 2 dependency 2.9.x
> ----------------------------------------
>
> Key: HADOOP-15299
> URL: https://issues.apache.org/jira/browse/HADOOP-15299
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.1.0, 3.2.0
> Reporter: Sean Mackrory
> Assignee: Sean Mackrory
> Priority: Major
> Attachments: HADOOP-15299.001.patch
>
>
> There are a few new CVEs open against Jackson 2.7.x. It doesn't (necessarily)
> mean Hadoop is vulnerable to the attack - I don't know that it is, but fixes
> were released for Jackson 2.8.x and 2.9.x but not 2.7.x (which we're on). We
> shouldn't be on an unmaintained line, regardless. HBase is already on 2.9.x,
> we have a shaded client now, the API changes are relatively minor and so far
> in my testing I haven't seen any problems. I think many of our usual reasons
> to hesitate upgrading this dependency don't apply.
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