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    2 vulnerabilities found for json by ruby-lang

    CVE-2026-33210 (GCVE-0-2026-33210)

    Vulnerability from nvd – Published: 2026-03-20 22:57 – Updated: 2026-07-21 12:05
    VLAI
    Title
    Ruby JSON has a format string injection vulnerability
    Summary
    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.
    Severity
    8.3 (High)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
    9.1 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-134 - Use of Externally-Controlled Format String
    Assigner
    References
    Impacted products
    Vendor Product Version
    ruby json Affected: >= 2.14.0, < 2.15.2.1
    Affected: >= 2.16.0, < 2.17.1.2
    Affected: >= 2.18.0, < 2.19.2
    		Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:4.0.3-34.el10_2 , < * (rpm)
        cpe:/o:redhat:enterprise_linux:10.2
    		 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 9080020260513131334.9 , < * (rpm)
        cpe:/a:redhat:enterprise_linux:9
    		 Create a notification for this product.
    Red Hat Logging Subsystem for Red Hat OpenShift     cpe:/a:redhat:logging:5
    		 Create a notification for this product.
    Red Hat Red Hat 3scale API Management Platform 2     cpe:/a:redhat:red_hat_3scale_amp:2
    		 Create a notification for this product.
    Red Hat Red Hat AMQ Clients     cpe:/a:redhat:amq_clients:2023
    		 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
    		 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
    		 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
    		 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux AI (RHEL AI) 3     cpe:/a:redhat:enterprise_linux_ai:3
    		 Create a notification for this product.
    Show details on NVD website
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    CVE-2026-33210 (GCVE-0-2026-33210)

    Vulnerability from cvelistv5 – Published: 2026-03-20 22:57 – Updated: 2026-07-21 12:05
    VLAI
    Title
    Ruby JSON has a format string injection vulnerability
    Summary
    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.
    Severity
    8.3 (High)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
    9.1 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-134 - Use of Externally-Controlled Format String
    Assigner
    References
    Impacted products
    Vendor Product Version
    ruby json Affected: >= 2.14.0, < 2.15.2.1
    Affected: >= 2.16.0, < 2.17.1.2
    Affected: >= 2.18.0, < 2.19.2
    		Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:4.0.3-34.el10_2 , < * (rpm)
        cpe:/o:redhat:enterprise_linux:10.2
    		 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 9080020260513131334.9 , < * (rpm)
        cpe:/a:redhat:enterprise_linux:9
    		 Create a notification for this product.
    Red Hat Logging Subsystem for Red Hat OpenShift     cpe:/a:redhat:logging:5
    		 Create a notification for this product.
    Red Hat Red Hat 3scale API Management Platform 2     cpe:/a:redhat:red_hat_3scale_amp:2
    		 Create a notification for this product.
    Red Hat Red Hat AMQ Clients     cpe:/a:redhat:amq_clients:2023
    		 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
    		 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
    		 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
    		 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux AI (RHEL AI) 3     cpe:/a:redhat:enterprise_linux_ai:3
    		 Create a notification for this product.
    Show details on NVD website
    To clipboard 

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          "vendor": "ruby",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 2.14.0, \u003c 2.15.2.1"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.16.0, \u003c 2.17.1.2"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.18.0, \u003c 2.19.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-134",
              "description": "CWE-134: Use of Externally-Controlled Format String",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-20T22:57:08.758Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/ruby/json/security/advisories/GHSA-3m6g-2423-7cp3",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/ruby/json/security/advisories/GHSA-3m6g-2423-7cp3"
        }
      ],
      "source": {
        "advisory": "GHSA-3m6g-2423-7cp3",
        "discovery": "UNKNOWN"
      },
      "title": "Ruby JSON has a format string injection vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-33210",
    "datePublished": "2026-03-20T22:57:08.758Z",
    "dateReserved": "2026-03-17T23:23:58.313Z",
    "dateUpdated": "2026-07-21T12:05:17.001Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}