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https://issues.apache.org/jira/browse/HADOOP-19747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18043845#comment-18043845
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ASF GitHub Bot commented on HADOOP-19747:
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pjfanning opened a new pull request, #8122:
URL: https://github.com/apache/hadoop/pull/8122
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### Description of PR
Another CVE - CVE-2025-66566.
2nd PR for HADOOP-19747
### How was this patch tested?
### For code changes:
- [x] 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)?
- [x] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
> switch lz4-java to at.yawk.lz4 version due to CVE
> -------------------------------------------------
>
> Key: HADOOP-19747
> URL: https://issues.apache.org/jira/browse/HADOOP-19747
> Project: Hadoop Common
> Issue Type: Bug
> Components: build, common
> Reporter: PJ Fanning
> Assignee: PJ Fanning
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.5.0, 3.4.3
>
>
> https://sites.google.com/sonatype.com/vulnerabilities/cve-2025-12183
> https://github.com/search?q=repo%3Aapache%2Fhadoop%20lz4-java&type=code
> The fork jar is a drop in replacement (same package name as the original jar)
> h2. CVE notes
> The hadoop decompressor org.apache.hadoop.io.compress.lz4.Lz4Compressor
> instantiated a compressor via a call to
> {code}
> LZ4Factory.fastestInstance().safeDecompressor()
> {code}
> and so is not directly vulnerable to CVE-2025-12183.
> This update is a due diligence/maintenance update, one to keep the CVE
> scanners quiet.
> If you have come here because your CVE scanner detected it: this is not one
> to worry about.
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