CVE-2026-33210 (High) detected in json-2.17.1.gem

## CVE-2026-33210 - High Severity Vulnerability
Vulnerable Library - json-2.17.1.gem

This is a JSON implementation as a Ruby extension in C.

Library home page: https://rubygems.org/gems/json-2.17.1.gem

Path to dependency file: /Gemfile.lock

Path to vulnerable library: /vendor/cache/json-2.17.1.gem

Dependency Hierarchy:
- manageiq-style-1.5.9.gem (Root Library)
- rubocop-rails-2.29.1.gem
- rubocop-1.56.3.gem
- :x: **json-2.17.1.gem** (Vulnerable Library)

Found in base branch: master

Vulnerability Details

Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allow_duplicate_key: false parsing option is used to parse user supplied documents. This issue has been patched in versions 2.15.2.1, 2.17.1.2, and 2.19.2.

Publish Date: 2026-03-20

URL: CVE-2026-33210

CVSS 3 Score Details (8.2)

Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: Low
- Integrity Impact: None
- Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://github.com/advisories/GHSA-3m6g-2423-7cp3

Release Date: 2026-03-19

Fix Resolution: json - 2.19.2,json - 2.17.1.2,json - 2.15.2.1

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Start with Gemfile.lock and vendor/cache/json-2.17.1.gem, then trace the rubocop dependency hierarchy shown in the issue. Upgrade json to one of the listed patched versions and verify that the dependency resolution no longer includes json-2.17.1.gem or reports CVE-2026-33210.

Written by the indexing model from the issue text.