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Posted to dev@avro.apache.org by "Ryan Skraba (Jira)" <ji...@apache.org> on 2021/02/24 15:13:00 UTC

[jira] [Resolved] (AVRO-3049) Java: BinaryDecoder lacks checks on bytes array length

     [ https://issues.apache.org/jira/browse/AVRO-3049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ryan Skraba resolved AVRO-3049.
-------------------------------
    Resolution: Fixed

Thanks for the contribution, especially for documenting these system properties in the Javadoc.

> Java: BinaryDecoder lacks checks on bytes array length
> ------------------------------------------------------
>
>                 Key: AVRO-3049
>                 URL: https://issues.apache.org/jira/browse/AVRO-3049
>             Project: Apache Avro
>          Issue Type: Bug
>          Components: java
>            Reporter: John Karp
>            Assignee: John Karp
>            Priority: Major
>             Fix For: 1.11.0, 1.10.2
>
>
> There are several checks on string length in BinaryDecoder. However, it lacks the same checks for byte arrays.
>  * Negative lengths lead to IllegalArgumentException instead of org.apache.avro.AvroRuntimeException
>  * Pathologically large (however legal) arrays can be allocated. Some applications will be suffer denial of service if they are forced to allocate 1 GB arrays repeatedly.



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