Use of Externally-Controlled Format String Affecting ruby3.4-json package, versions <2.19.2-r0


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-RUBY34JSON-15755961
  • published23 Mar 2026
  • disclosed20 Mar 2026

Introduced: 20 Mar 2026

NewCVE-2026-33210  (opens in a new tab)
CWE-134  (opens in a new tab)

How to fix?

Upgrade Minimos:latest ruby3.4-json to version 2.19.2-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby3.4-json package and not the ruby3.4-json package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1