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https://issues.apache.org/jira/browse/HADOOP-18469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17613756#comment-17613756
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ASF GitHub Bot commented on HADOOP-18469:
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steveloughran opened a new pull request, #4978:
URL: https://github.com/apache/hadoop/pull/4978
Add to XMLUtils a set of methods to create secure XML Parsers/transformers,
locking down DTD, schema, XXE exposure.
Use these wherever XML parsers are created.
Contributed by PJ Fanning
### Description of PR
#4940 merged to branch-3.3; minor import complaints around the move off guava
### How was this patch tested?
### For code changes:
- [ ] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
> Add XMLUtils methods to centralise code that creates secure XML parsers
> -----------------------------------------------------------------------
>
> Key: HADOOP-18469
> URL: https://issues.apache.org/jira/browse/HADOOP-18469
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: PJ Fanning
> Priority: Major
> Labels: pull-request-available
>
> Relates to HDFS-16766
> There are other places in the code where DocumentBuilderFactory instances are
> created that could benefit from the same changes as HDFS-16766
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