{
  "document": {
    "aggregate_severity": {
      "text": "Critical"
    },
    "category": "csaf_vex",
    "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"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_alt_nodejs/debian13/vex/2024/cve-2024-21896-els_alt_nodejs-debian13.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-03-03T21:08:03Z",
      "generator": {
        "date": "2026-03-03T21:08:03Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2024-21896-ELS_ALT_NODEJS-DEBIAN13",
      "initial_release_date": "2024-02-20T02:15:00Z",
      "revision_history": [
        {
          "date": "2024-02-20T02:15:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-02-05T17:17:06Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2026-03-03T21:08:03Z",
          "number": "3",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "3"
    },
    "title": "Security update on CVE-2024-21896"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Debian 13",
                "product": {
                  "name": "Debian 13",
                  "product_id": "Debian-13",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:debian:debian_linux:13:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Debian"
          }
        ],
        "category": "vendor",
        "name": "Software in the Public Interest, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "alt-nodejs20-docs-0:20.19.4-2.amd64",
                "product": {
                  "name": "alt-nodejs20-docs-0:20.19.4-2.amd64",
                  "product_id": "alt-nodejs20-docs-0:20.19.4-2.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs20-docs@20.19.4-2?arch=amd64&os_name=debian&os_version=13"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "alt-nodejs20-nodejs-0:20.19.4-2.amd64",
                "product": {
                  "name": "alt-nodejs20-nodejs-0:20.19.4-2.amd64",
                  "product_id": "alt-nodejs20-nodejs-0:20.19.4-2.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs20-nodejs@20.19.4-2?arch=amd64&os_name=debian&os_version=13"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "alt-nodejs20-nodejs-devel-0:20.19.4-2.amd64",
                "product": {
                  "name": "alt-nodejs20-nodejs-devel-0:20.19.4-2.amd64",
                  "product_id": "alt-nodejs20-nodejs-devel-0:20.19.4-2.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs20-nodejs-devel@20.19.4-2?arch=amd64&os_name=debian&os_version=13"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "alt-nodejs20-npm-0:10.8.2-20.19.4.2.amd64",
                "product": {
                  "name": "alt-nodejs20-npm-0:10.8.2-20.19.4.2.amd64",
                  "product_id": "alt-nodejs20-npm-0:10.8.2-20.19.4.2.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs20-npm@10.8.2-20.19.4.2?arch=amd64&os_name=debian&os_version=13"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "amd64"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs20-docs-0:20.19.4-2.amd64 as a component of Debian 13",
          "product_id": "Debian-13:alt-nodejs20-docs-0:20.19.4-2.amd64"
        },
        "product_reference": "alt-nodejs20-docs-0:20.19.4-2.amd64",
        "relates_to_product_reference": "Debian-13"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs20-nodejs-0:20.19.4-2.amd64 as a component of Debian 13",
          "product_id": "Debian-13:alt-nodejs20-nodejs-0:20.19.4-2.amd64"
        },
        "product_reference": "alt-nodejs20-nodejs-0:20.19.4-2.amd64",
        "relates_to_product_reference": "Debian-13"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs20-nodejs-devel-0:20.19.4-2.amd64 as a component of Debian 13",
          "product_id": "Debian-13:alt-nodejs20-nodejs-devel-0:20.19.4-2.amd64"
        },
        "product_reference": "alt-nodejs20-nodejs-devel-0:20.19.4-2.amd64",
        "relates_to_product_reference": "Debian-13"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs20-npm-0:10.8.2-20.19.4.2.amd64 as a component of Debian 13",
          "product_id": "Debian-13:alt-nodejs20-npm-0:10.8.2-20.19.4.2.amd64"
        },
        "product_reference": "alt-nodejs20-npm-0:10.8.2-20.19.4.2.amd64",
        "relates_to_product_reference": "Debian-13"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-21896",
      "cwe": {
        "id": "CWE-27",
        "name": "Path Traversal: 'dir/../../filename'"
      },
      "notes": [
        {
          "category": "description",
          "text": "The permission model protects itself against path traversal attacks by calling path.resolve() on any paths given by the user. If the path is to be treated as a Buffer, the implementation uses Buffer.from() to obtain a Buffer from the result of path.resolve(). By monkey-patching Buffer internals, namely, Buffer.prototype.utf8Write, the application can modify the result of path.resolve(), which leads to a path traversal vulnerability.\nThis vulnerability affects all users using the experimental permission model in Node.js 20 and Node.js 21.\nPlease note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.",
          "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"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "Debian-13:alt-nodejs20-docs-0:20.19.4-2.amd64",
          "Debian-13:alt-nodejs20-nodejs-0:20.19.4-2.amd64",
          "Debian-13:alt-nodejs20-nodejs-devel-0:20.19.4-2.amd64",
          "Debian-13:alt-nodejs20-npm-0:10.8.2-20.19.4.2.amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els-lang/cve/CVE-2024-21896"
        },
        {
          "category": "external",
          "summary": "http://www.openwall.com/lists/oss-security/2024/03/11/1",
          "url": "http://www.openwall.com/lists/oss-security/2024/03/11/1"
        },
        {
          "category": "external",
          "summary": "https://hackerone.com/reports/2218653",
          "url": "https://hackerone.com/reports/2218653"
        },
        {
          "category": "external",
          "summary": "https://security.netapp.com/advisory/ntap-20240329-0002/",
          "url": "https://security.netapp.com/advisory/ntap-20240329-0002/"
        }
      ],
      "release_date": "2024-02-20T02:15:00Z",
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "Debian-13:alt-nodejs20-docs-0:20.19.4-2.amd64",
            "Debian-13:alt-nodejs20-nodejs-0:20.19.4-2.amd64",
            "Debian-13:alt-nodejs20-nodejs-devel-0:20.19.4-2.amd64",
            "Debian-13:alt-nodejs20-npm-0:10.8.2-20.19.4.2.amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        },
        {
          "category": "impact",
          "details": "Not affected: The deployed Node.js runtime is 20.20.0, which already includes the upstream fix for CVE-2024-21896 introduced in 20.11.1. That fix removes the Buffer.from-based path handling in the experimental permission model that enabled traversal, so the vulnerable code path is no longer present in this version.",
          "product_ids": [
            "Debian-13:alt-nodejs20-docs-0:20.19.4-2.amd64",
            "Debian-13:alt-nodejs20-nodejs-0:20.19.4-2.amd64",
            "Debian-13:alt-nodejs20-nodejs-devel-0:20.19.4-2.amd64",
            "Debian-13:alt-nodejs20-npm-0:10.8.2-20.19.4.2.amd64"
          ]
        }
      ]
    }
  ]
}