{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-33210", "tracking": { "current_release_date": "2026-03-29T16:14:29.818270Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-33210", "initial_release_date": "2026-03-19T15:31:27.749007Z", "revision_history": [ { "date": "2026-03-19T15:31:27.749007Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-19T15:31:31.920199Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-20T23:25:33.705585Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-03-20T23:25:38.328274Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-20T23:39:24.615940Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (3).| References created (1).| CWES updated (1)." }, { "date": "2026-03-20T23:39:28.543459Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-21T12:45:13.779730Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products created (2)." }, { "date": "2026-03-21T12:45:18.127757Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-03-21T15:23:08.530738Z", "number": "9", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-21T15:23:11.364275Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-03-21T18:44:38.534542Z", "number": "11", "summary": "Products connected (2).| Products removed (2)." }, { "date": "2026-03-21T18:44:40.127645Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-03-23T12:30:36.236578Z", "number": "13", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (29).| Product Identifiers created (7).| Product Remediations created (32).| Products created (3).| References created (3).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-03-23T12:30:45.834359Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-03-23T12:47:48.611444Z", "number": "15", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (12).| Product Identifiers created (12).| Products connected (3).| References created (1).| CWES updated (1)." }, { "date": "2026-03-23T12:47:56.743706Z", "number": "16", "summary": "NCSC Score updated." }, { "date": "2026-03-24T20:41:58.233740Z", "number": "17", "summary": "Unknown change." }, { "date": "2026-03-25T18:42:01.168120Z", "number": "18", "summary": "References created (2)." }, { "date": "2026-03-26T00:41:26.448683Z", "number": "19", "summary": "References created (2)." }, { "date": "2026-03-28T07:40:01.413541Z", "number": "20", "summary": "CVSS created.| Products created (3).| Product Identifiers created (3)." }, { "date": "2026-03-28T07:40:04.312838Z", "number": "21", "summary": "NCSC Score updated." }, { "date": "2026-03-29T03:16:18.618948Z", "number": "22", "summary": "References removed (2)." }, { "date": "2026-03-29T16:14:25.109036Z", "number": "23", "summary": "References created (2)." } ], 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AI (RHEL AI) 3" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2109952" } } ], "category": "product_name", "name": "pcs" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2042305" } } ], "category": "product_name", "name": "ruby" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 8" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-3010731" } } ], "category": "product_name", "name": "ruby" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5891526" } } ], "category": "product_name", "name": "ruby4.0" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 10" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2042307" } } ], "category": "product_name", "name": "ruby" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 9" } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/2.14.0", "product": { "name": "vers:unknown/2.14.0", "product_id": "CSAFPID-5891587", "product_identification_helper": { "purl": "pkg:gem/json@2.14.0" } } }, { "category": "product_version_range", "name": "vers:unknown/2.14.1", "product": { "name": "vers:unknown/2.14.1", "product_id": "CSAFPID-5891588", "product_identification_helper": { "purl": "pkg:gem/json@2.14.1" } } }, { "category": "product_version_range", "name": "vers:unknown/2.15.0", "product": { "name": "vers:unknown/2.15.0", "product_id": "CSAFPID-5891589", "product_identification_helper": { "purl": "pkg:gem/json@2.15.0" } } }, { "category": "product_version_range", "name": "vers:unknown/2.15.1", "product": { "name": "vers:unknown/2.15.1", "product_id": "CSAFPID-5891590", "product_identification_helper": { "purl": "pkg:gem/json@2.15.1" } } }, { "category": "product_version_range", "name": "vers:unknown/2.15.2", "product": { "name": "vers:unknown/2.15.2", "product_id": "CSAFPID-5891591", "product_identification_helper": { "purl": "pkg:gem/json@2.15.2" } } }, { "category": "product_version_range", "name": "vers:unknown/2.16.0", "product": { "name": "vers:unknown/2.16.0", "product_id": "CSAFPID-5891584", "product_identification_helper": { "purl": "pkg:gem/json@2.16.0" } } }, { "category": "product_version_range", "name": "vers:unknown/2.17.0", "product": { "name": "vers:unknown/2.17.0", "product_id": "CSAFPID-5891585", "product_identification_helper": { "purl": "pkg:gem/json@2.17.0" } } }, { "category": "product_version_range", "name": "vers:unknown/2.17.1", "product": { "name": "vers:unknown/2.17.1", "product_id": "CSAFPID-5891586", "product_identification_helper": { "purl": "pkg:gem/json@2.17.1" } } }, { "category": "product_version_range", "name": "vers:unknown/2.18.0", "product": { "name": "vers:unknown/2.18.0", "product_id": "CSAFPID-5891580", "product_identification_helper": { "purl": "pkg:gem/json@2.18.0" } } }, { "category": "product_version_range", "name": "vers:unknown/2.18.1", "product": { "name": "vers:unknown/2.18.1", "product_id": "CSAFPID-5891581", "product_identification_helper": { "purl": "pkg:gem/json@2.18.1" } } }, { "category": "product_version_range", "name": "vers:unknown/2.19.0", "product": { "name": "vers:unknown/2.19.0", "product_id": "CSAFPID-5891582", "product_identification_helper": { "purl": "pkg:gem/json@2.19.0" } } }, { "category": "product_version_range", "name": "vers:unknown/2.19.1", "product": { "name": "vers:unknown/2.19.1", "product_id": "CSAFPID-5891583", "product_identification_helper": { "purl": "pkg:gem/json@2.19.1" } } }, { "category": "product_version_range", "name": "vers:unknown/>=2.14.0|<2.15.2.1", "product": { "name": "vers:unknown/>=2.14.0|<2.15.2.1", "product_id": "CSAFPID-5878170" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.16.0|<2.17.1.2", "product": { "name": "vers:unknown/>=2.16.0|<2.17.1.2", "product_id": "CSAFPID-5878171" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.18.0|<2.19.2", "product": { "name": "vers:unknown/>=2.18.0|<2.19.2", "product_id": "CSAFPID-5878172" } } ], "category": "product_name", "name": "json" } ], "category": "vendor", "name": "ruby" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/>=2.14.0|<2.15.2.1", "product": { "name": "vers:unknown/>=2.14.0|<2.15.2.1", "product_id": "CSAFPID-5956288", "product_identification_helper": { "cpe": "cpe:2.3:a:ruby-lang:json:*:*:*:*:*:ruby:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/>=2.16.0|<2.17.1.2", "product": { "name": "vers:unknown/>=2.16.0|<2.17.1.2", "product_id": "CSAFPID-5956289", "product_identification_helper": { "cpe": "cpe:2.3:a:ruby-lang:json:*:*:*:*:*:ruby:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/>=2.18.0|<2.19.2", "product": { "name": "vers:unknown/>=2.18.0|<2.19.2", "product_id": "CSAFPID-5956290", "product_identification_helper": { "cpe": "cpe:2.3:a:ruby-lang:json:*:*:*:*:*:ruby:*:*" } } } ], "category": "product_name", "name": "json" } ], "category": "vendor", "name": "ruby-lang" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/*", "product": { "name": "vers:deb/*", "product_id": "CSAFPID-2474004" } } ], "category": "product_name", "name": "ruby-json" } ], "category": "product_family", "name": "bookworm" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/*", "product": { "name": "vers:deb/*", "product_id": "CSAFPID-2474005" } } ], "category": "product_name", "name": "ruby-json" } ], "category": "product_family", "name": "bullseye" } ], "category": "vendor", "name": "Debian" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-33210", "cwe": { "id": "CWE-134", "name": "Use of Externally-Controlled Format String" }, "notes": [ { "category": "description", "text": "### Impact\n\nA format string injection vulnerability than that lead to denial of service attacks or information disclosure, when the `allow_duplicate_key: false` parsing option is used to parse user supplied documents. \n\nThis option isn't the default, if you didn't opt-in to use it, you are not impacted.\n\n### Patches\n\nPatched in `2.19.2`.\n\n### Workarounds\n\nThe issue can be avoided by not using the `allow_duplicate_key: false` parsing option.", "title": "github - https://api.github.com/advisories/GHSA-3m6g-2423-7cp3" }, { "category": "description", "text": "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.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33210" }, { "category": "description", "text": "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.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33210.json" }, { "category": "description", "text": "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.", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-33210" }, { "category": "description", "text": "A flaw was found in Ruby JSON. This vulnerability, a format string injection, allows a remote attacker to cause a denial of service (DoS) or disclose sensitive information. The flaw occurs when processing specially crafted user-supplied documents with the allow_duplicate_key: false parsing option enabled.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-33210.json" }, { "category": "description", "text": "### Impact\n\nA format string injection vulnerability than that lead to denial of service attacks or information disclosure, when the `allow_duplicate_key: false` parsing option is used to parse user supplied documents. \n\nThis option isn't the default, if you didn't opt-in to use it, you are not impacted.\n\n### Patches\n\nPatched in `2.19.2`.\n\n### Workarounds\n\nThe issue can be avoided by not using the `allow_duplicate_key: false` parsing option.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/RubyGems%2FGHSA-3m6g-2423-7cp3.json?alt=media" }, { "category": "other", "text": "0.00016", "title": "EPSS" }, { "category": "other", "text": "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", "title": "CVSSV4" }, { "category": "other", "text": "8.3", "title": "CVSSV4 base score" }, { "category": "other", "text": "4.2", "title": "NCSC Score" }, { "category": "other", "text": "Is related to (a version of) an uncommon product", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "Is related to a product by vendor Red Hat, There is product_remediation data available from source Redhat", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 2\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-5878170", "CSAFPID-5878171", "CSAFPID-5878172", "CSAFPID-1439310", "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1459353", "CSAFPID-1492531", "CSAFPID-1496167", "CSAFPID-2042305", "CSAFPID-2042307", "CSAFPID-2109952", "CSAFPID-2485093", "CSAFPID-2821638", "CSAFPID-2821639", "CSAFPID-2821640", "CSAFPID-2858634", "CSAFPID-2914698", "CSAFPID-2914700", "CSAFPID-3010673", "CSAFPID-3010674", "CSAFPID-3010731", "CSAFPID-5011661", "CSAFPID-5011662", "CSAFPID-5198605", "CSAFPID-5360337", "CSAFPID-5360339", "CSAFPID-5360342", "CSAFPID-5360344", "CSAFPID-5499196", "CSAFPID-5499197", "CSAFPID-5499198", "CSAFPID-5891525", "CSAFPID-5891526", "CSAFPID-5891527", "CSAFPID-5891580", "CSAFPID-5891581", "CSAFPID-5891582", "CSAFPID-5891583", "CSAFPID-5891584", "CSAFPID-5891585", "CSAFPID-5891586", "CSAFPID-5891587", "CSAFPID-5891588", "CSAFPID-5891589", "CSAFPID-5891590", "CSAFPID-5891591", "CSAFPID-5956288", "CSAFPID-5956289", "CSAFPID-5956290" ], "known_not_affected": [ "CSAFPID-2474004", "CSAFPID-2474005" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-3m6g-2423-7cp3" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33210" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33210.json" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-33210" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-33210.json" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/RubyGems%2FGHSA-3m6g-2423-7cp3.json?alt=media" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv; redhat", "url": "https://github.com/ruby/json/security/advisories/GHSA-3m6g-2423-7cp3" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-3m6g-2423-7cp3" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-33210" }, { "category": "external", "summary": "Reference - github; osv; redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33210" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json/CVE-2026-33210.yml" } ], "remediations": [ { "category": "mitigation", "details": "To mitigate this vulnerability, avoid using the `allow_duplicate_key: false` parsing option when processing untrusted JSON input. If this option is required, ensure that all input is from trusted sources or is thoroughly sanitized before parsing.", "product_ids": [ "CSAFPID-1439310", "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1459353", "CSAFPID-1492531", "CSAFPID-1496167", "CSAFPID-2042305", "CSAFPID-2042307", "CSAFPID-2109952", "CSAFPID-2485093", "CSAFPID-2821638", "CSAFPID-2821639", "CSAFPID-2821640", "CSAFPID-2858634", "CSAFPID-2914698", "CSAFPID-2914700", "CSAFPID-3010673", "CSAFPID-3010674", "CSAFPID-3010731", "CSAFPID-5011661", "CSAFPID-5011662", "CSAFPID-5198605", "CSAFPID-5360337", "CSAFPID-5360339", "CSAFPID-5360342", "CSAFPID-5360344", "CSAFPID-5499196", "CSAFPID-5499197", "CSAFPID-5499198", "CSAFPID-5891525", "CSAFPID-5891526", "CSAFPID-5891527" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "baseScore": 9.1, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-1439310", "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1459353", "CSAFPID-1492531", "CSAFPID-1496167", "CSAFPID-2042305", "CSAFPID-2042307", "CSAFPID-2109952", "CSAFPID-2485093", "CSAFPID-2821638", "CSAFPID-2821639", "CSAFPID-2821640", "CSAFPID-2858634", "CSAFPID-2914698", "CSAFPID-2914700", "CSAFPID-3010673", "CSAFPID-3010674", "CSAFPID-3010731", "CSAFPID-5011661", "CSAFPID-5011662", "CSAFPID-5198605", "CSAFPID-5360337", "CSAFPID-5360339", "CSAFPID-5360342", "CSAFPID-5360344", "CSAFPID-5499196", "CSAFPID-5499197", "CSAFPID-5499198", "CSAFPID-5878170", "CSAFPID-5878171", "CSAFPID-5878172", "CSAFPID-5891525", "CSAFPID-5891526", "CSAFPID-5891527", "CSAFPID-5891580", "CSAFPID-5891581", "CSAFPID-5891582", "CSAFPID-5891583", "CSAFPID-5891584", "CSAFPID-5891585", "CSAFPID-5891586", "CSAFPID-5891587", "CSAFPID-5891588", "CSAFPID-5891589", "CSAFPID-5891590", "CSAFPID-5891591", "CSAFPID-5956288", "CSAFPID-5956289", "CSAFPID-5956290" ] } ], "title": "CVE-2026-33210" } ] }