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https://issues.apache.org/jira/browse/CASSANDRA-15560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17087627#comment-17087627
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Berenguer Blasi commented on CASSANDRA-15560:
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[~jrwest]do you mind I take this one?
> Change io.compressor.LZ4Compressor to LZ4SafeDecompressor
> ---------------------------------------------------------
>
> Key: CASSANDRA-15560
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15560
> Project: Cassandra
> Issue Type: Improvement
> Components: Feature/Compression
> Reporter: Jordan West
> Assignee: Jordan West
> Priority: Normal
> Fix For: 4.0, 4.0-rc
>
>
> CASSANDRA-15556 and related tickets showed that LZ4FastDecompressor can crash
> the JVM and that LZ4SafeDecompressor performs better w/o the crash risk — its
> also not deprecated. While we protect ourselves by checksumming the
> compressed data but that doesn’t mean we should leave deprecated code that
> can segfault the jvm (providing a potential DDOS vector among other things)
> in crucial places like io.compress.
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