# CVE-2016-6809: Apache Tika allows Java code execution for serialized objects embedded in MATLAB files

Source: https://junglewise.ai/threats/cve-2016-6809-apache-tika-allows-java-code-execution-for-serialized-objects  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2018-10-17  
License: CC BY 4.0 with a link back

CVE-2016-6809 · Severity: low · CVSS 3.1 · Published 2018-10-17

Apache Tika allows Java code execution for serialized objects embedded in MATLAB files

Technologies: [org.apache.tika:tika-core (Maven)](https://junglewise.ai/threats/technologies/org-apache-tika-tika-core). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2016-6809 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2016-6809 being exploited in the wild.

**How severe is CVE-2016-6809?** Low severity, with a CVSS score of 3.1, published 17 October 2018.

**Which products and versions are affected?** org.apache.tika:tika-core (Maven) ECOSYSTEM:introduced=0,fixed=1.14.

**Is there a fix for CVE-2016-6809?** Yes. org.apache.tika:tika-core (Maven): upgrade to 1.14 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2016-6809?** Check whether you run org.apache.tika:tika-core (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- org.apache.tika:tika-core (Maven): upgrade to 1.14 or later

  ```sh
  # set org.apache.tika:tika-core to 1.14 in your pom.xml or build.gradle
  ```


## Affected products

- org.apache.tika:tika-core (Maven) ECOSYSTEM:introduced=0,fixed=1.14

## Identifiers

- CVE-2016-6809
- GHSA-j8g6-2wh7-6439

## Related threats

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- [Regular expression denial of service in apache tika](https://junglewise.ai/threats/cve-2022-30973-regular-expression-denial-of-service-in-apache-tika)
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- [Allocation of Resources Without Limits or Throttling in Apache Tika](https://junglewise.ai/threats/cve-2019-10088-allocation-of-resources-without-limits-or-throttling-in-apache)
- [Allocation of Resources Without Limits or Throttling in Apache Tika](https://junglewise.ai/threats/cve-2019-10094-allocation-of-resources-without-limits-or-throttling-in-apache)