Description

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.

INFO

Published Date :

2026-03-20T22:57:08.758Z

Last Modified :

2026-03-23T21:41:29.624Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-33210 vulnerability.

Vendors Products
Ruby
  • Json
Ruby-lang
  • Json
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-33210.

URL Resource
https://github.com/ruby/json/security/advisories/GHSA-3m6g-2423-7cp3 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-33210 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-33210 cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact