{
  "document": {
    "aggregate_severity": {
      "text": "Moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      },
      {
        "category": "details",
        "text": "* SECURITY UPDATE: Marvin Attack vulnerability in Node.js\n     – debian/patches/CVE-2023-46809.patch: fixes a timing‑side‑channel\n       flaw in the RSA PKCS#1 v1.5 decryption logic, preventing a Marvin‑style\n       padding‑oracle attack that could allow recovery of sensitive data.\n     – CVE-2023-46809",
        "title": "Details"
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      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
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        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_alt_nodejs/ubuntu20.04/advisories/2025/clsa-2025_1765207050.json"
      },
      {
        "category": "self",
        "summary": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2025:1765207050",
        "url": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2025:1765207050"
      }
    ],
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      "current_release_date": "2025-12-08T15:18:05Z",
      "generator": {
        "date": "2025-12-08T15:18:05Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CLSA-2025:1765207050",
      "initial_release_date": "2025-12-08T15:18:05Z",
      "revision_history": [
        {
          "date": "2025-12-08T15:18:05Z",
          "number": "1",
          "summary": "Initial version"
        }
      ],
      "status": "final",
      "version": "1"
    },
    "title": "Fix CVE(s): CVE-2023-46809"
  },
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                "name": "Ubuntu 20.04",
                "product": {
                  "name": "Ubuntu 20.04",
                  "product_id": "Ubuntu-20",
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            "name": "Ubuntu"
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        "category": "vendor",
        "name": "Canonical Ltd."
      },
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      }
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        "full_product_name": {
          "name": "alt-nodejs14-nodejs-0:14.21.3-11.amd64 as a component of Ubuntu 20.04",
          "product_id": "Ubuntu-20:alt-nodejs14-nodejs-0:14.21.3-11.amd64"
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-46809",
      "notes": [
        {
          "category": "description",
          "text": "Node.js versions which bundle an unpatched version of OpenSSL or run against a dynamically linked version of OpenSSL which are unpatched are vulnerable to the Marvin Attack - https://people.redhat.com/~hkario/marvin/, if PCKS #1 v1.5 padding is allowed when performing RSA descryption using a private key.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Ubuntu-20:alt-nodejs14-docs-0:14.21.3-11.amd64",
          "Ubuntu-20:alt-nodejs14-nodejs-0:14.21.3-11.amd64",
          "Ubuntu-20:alt-nodejs14-nodejs-devel-0:14.21.3-11.amd64",
          "Ubuntu-20:alt-nodejs14-npm-0:6.14.18-14.21.3.11.amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els-alt-nodejs/cve/CVE-2023-46809"
        }
      ],
      "release_date": "2024-02-16T00:00:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-12-08T15:17:32.906524Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2025:1765207050",
          "product_ids": [
            "Ubuntu-20:alt-nodejs14-docs-0:14.21.3-11.amd64",
            "Ubuntu-20:alt-nodejs14-nodejs-0:14.21.3-11.amd64",
            "Ubuntu-20:alt-nodejs14-nodejs-devel-0:14.21.3-11.amd64",
            "Ubuntu-20:alt-nodejs14-npm-0:6.14.18-14.21.3.11.amd64"
          ],
          "url": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2025:1765207050"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
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            "Ubuntu-20:alt-nodejs14-nodejs-0:14.21.3-11.amd64",
            "Ubuntu-20:alt-nodejs14-nodejs-devel-0:14.21.3-11.amd64",
            "Ubuntu-20:alt-nodejs14-npm-0:6.14.18-14.21.3.11.amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ]
    }
  ]
}