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https://issues.apache.org/jira/browse/SPARK-20433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16004417#comment-16004417
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David Hodeffi commented on SPARK-20433:
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Did you upgrade json4s? since 3.2.1 is not compatible with 3.5
> Security issue with jackson-databind
> ------------------------------------
>
> Key: SPARK-20433
> URL: https://issues.apache.org/jira/browse/SPARK-20433
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.1.0
> Reporter: Andrew Ash
> Labels: security
>
> There was a security vulnerability recently reported to the upstream
> jackson-databind project at
> https://github.com/FasterXML/jackson-databind/issues/1599 which now has a fix
> released.
> From my reading of that, versions 2.7.9.1, 2.8.8.1, and 2.9.0.pr3 are the
> first fixed versions in their respectful 2.X branches, and versions in the
> 2.6.X line and earlier remain vulnerable.
> Right now Spark master branch is on 2.6.5:
> https://github.com/apache/spark/blob/master/pom.xml#L164
> and Hadoop branch-2.7 is on 2.2.3:
> https://github.com/apache/hadoop/blob/branch-2.7/hadoop-project/pom.xml#L71
> and Hadoop branch-3.0.0-alpha2 is on 2.7.8:
> https://github.com/apache/hadoop/blob/branch-3.0.0-alpha2/hadoop-project/pom.xml#L74
> We should try to find to find a way to get on a patched version of
> jackson-bind for the Spark 2.2.0 release.
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