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https://issues.apache.org/jira/browse/AVRO-4247?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryan Skraba updated AVRO-4247:
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Fix Version/s: 1.13.0
1.12.2
> Avro compression codecs should verify decompression size
> --------------------------------------------------------
>
> Key: AVRO-4247
> URL: https://issues.apache.org/jira/browse/AVRO-4247
> Project: Apache Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.12.1
> Reporter: Ismaël Mejía
> Assignee: Steve Loughran
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.13.0, 1.12.2
>
> Time Spent: 5h
> Remaining Estimate: 0h
>
> {color:#1f2328}All Avro Java compression codecs (Deflate, Zstandard, XZ,
> BZip2, Snappy) decompress data without any size limit, allowing an attacker
> to craft a small Avro file (~50KB) that expands to an extremely large size
> (~50MB+), causing {color}{{OutOfMemoryError}}{color:#1f2328} and crashing the
> JVM.{color}
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