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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: 2026-06-30 12:07
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
9.1 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/ruby/json/security/advisories/… | x_refsource_CONFIRM |
| https://access.redhat.com/security/cve/CVE-2026-33210 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2449871 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:20606 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:20596 | vendor-advisoryx_refsource_REDHAT |
Impacted products
11 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 |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 9) |
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Logging Subsystem for Red Hat OpenShift |
cpe:/a:redhat:logging:5 |
|
| Red Hat | Red Hat 3scale API Management Platform 2 |
cpe:/a:redhat:red_hat_3scale_amp:2 |
|
| Red Hat | Red Hat AMQ Clients |
cpe:/a:redhat:amq_clients:2023 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3 |
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CVE-2026-33210 (GCVE-0-2026-33210)
Vulnerability from cvelistv5 – Published: 2026-03-20 22:57 – Updated: 2026-06-30 12:07
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
9.1 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/ruby/json/security/advisories/… | x_refsource_CONFIRM |
| https://access.redhat.com/security/cve/CVE-2026-33210 | vdb-entryx_refsource_REDHAT |
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| https://access.redhat.com/errata/RHSA-2026:20596 | vendor-advisoryx_refsource_REDHAT |
Impacted products
11 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 |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 9) |
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Logging Subsystem for Red Hat OpenShift |
cpe:/a:redhat:logging:5 |
|
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cpe:/a:redhat:red_hat_3scale_amp:2 |
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cpe:/o:redhat:enterprise_linux:8 |
|
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cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3 |
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"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": "2026-06-30T12:07:37.618Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}