{
  "document": {
    "aggregate_severity": {
      "text": "Critical"
    },
    "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: Symlink permission bypass vulnerability\n     - debian/patches/CVE-2025-55130.patch: require full read and write fs\n       permissions for symlink APIs to prevent permission model bypass\n     - CVE-2025-55130\n   * SECURITY UPDATE: Unhandled rejection in TLS socket error handling\n     - debian/patches/CVE-2025-59465.patch: add TLSSocket default error handler\n       to prevent unhandled rejection on abrupt socket close\n     - CVE-2025-59465",
        "title": "Details"
      }
    ],
    "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/debian12/advisories/2026/clsa-2026_1770312666.json"
      },
      {
        "category": "self",
        "summary": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1770312666",
        "url": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1770312666"
      }
    ],
    "tracking": {
      "current_release_date": "2026-02-05T17:31:49Z",
      "generator": {
        "date": "2026-02-05T17:31:49Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CLSA-2026:1770312666",
      "initial_release_date": "2026-02-05T17:31:49Z",
      "revision_history": [
        {
          "date": "2026-02-05T17:31:49Z",
          "number": "1",
          "summary": "Initial version"
        }
      ],
      "status": "final",
      "version": "1"
    },
    "title": "Fix CVE(s): CVE-2025-55130, CVE-2025-59465"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Debian 12",
                "product": {
                  "name": "Debian 12",
                  "product_id": "Debian-12",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:debian:debian_linux:12:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Debian"
          }
        ],
        "category": "vendor",
        "name": "Software in the Public Interest, Inc."
      },
      {
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                "name": "alt-nodejs23-nodejs-0:23.11.1-2.amd64",
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                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs23-nodejs@23.11.1-2?arch=amd64&os_name=debian&os_version=12"
                  }
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                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs23-npm@10.9.2-23.11.1.2?arch=amd64&os_name=debian&os_version=12"
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                  "product_id": "alt-nodejs23-nodejs-devel-0:23.11.1-2.amd64",
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            ],
            "category": "architecture",
            "name": "amd64"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs23-nodejs-0:23.11.1-2.amd64 as a component of Debian 12",
          "product_id": "Debian-12:alt-nodejs23-nodejs-0:23.11.1-2.amd64"
        },
        "product_reference": "alt-nodejs23-nodejs-0:23.11.1-2.amd64",
        "relates_to_product_reference": "Debian-12"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs23-npm-0:10.9.2-23.11.1.2.amd64 as a component of Debian 12",
          "product_id": "Debian-12:alt-nodejs23-npm-0:10.9.2-23.11.1.2.amd64"
        },
        "product_reference": "alt-nodejs23-npm-0:10.9.2-23.11.1.2.amd64",
        "relates_to_product_reference": "Debian-12"
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        "full_product_name": {
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        },
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        "relates_to_product_reference": "Debian-12"
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        "full_product_name": {
          "name": "alt-nodejs23-nodejs-devel-0:23.11.1-2.amd64 as a component of Debian 12",
          "product_id": "Debian-12:alt-nodejs23-nodejs-devel-0:23.11.1-2.amd64"
        },
        "product_reference": "alt-nodejs23-nodejs-devel-0:23.11.1-2.amd64",
        "relates_to_product_reference": "Debian-12"
      }
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-59465",
      "cwe": {
        "id": "CWE-248",
        "name": "Uncaught Exception"
      },
      "notes": [
        {
          "category": "description",
          "text": "A malformed `HTTP/2 HEADERS` frame with oversized, invalid `HPACK` data can cause Node.js to crash by triggering an unhandled `TLSSocket` error `ECONNRESET`. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not attach explicit error handlers to secure sockets, for example:\n```\nserver.on('secureConnection', socket => {\nsocket.on('error', err => {\nconsole.log(err)\n})\n})\n```",
          "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": [
          "Debian-12:alt-nodejs23-docs-0:23.11.1-2.amd64",
          "Debian-12:alt-nodejs23-nodejs-0:23.11.1-2.amd64",
          "Debian-12:alt-nodejs23-nodejs-devel-0:23.11.1-2.amd64",
          "Debian-12:alt-nodejs23-npm-0:10.9.2-23.11.1.2.amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els-alt-nodejs/cve/CVE-2025-59465"
        }
      ],
      "release_date": "2026-01-20T20:41:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-02-05T17:31:10.383447Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1770312666",
          "product_ids": [
            "Debian-12:alt-nodejs23-docs-0:23.11.1-2.amd64",
            "Debian-12:alt-nodejs23-nodejs-0:23.11.1-2.amd64",
            "Debian-12:alt-nodejs23-nodejs-devel-0:23.11.1-2.amd64",
            "Debian-12:alt-nodejs23-npm-0:10.9.2-23.11.1.2.amd64"
          ],
          "url": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1770312666"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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            "Debian-12:alt-nodejs23-nodejs-0:23.11.1-2.amd64",
            "Debian-12:alt-nodejs23-nodejs-devel-0:23.11.1-2.amd64",
            "Debian-12:alt-nodejs23-npm-0:10.9.2-23.11.1.2.amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    },
    {
      "cve": "CVE-2025-55130",
      "cwe": {
        "id": "CWE-289",
        "name": "Authentication Bypass by Alternate Name"
      },
      "notes": [
        {
          "category": "description",
          "text": "A flaw in Node.js’s Permissions model allows attackers to bypass `--allow-fs-read` and `--allow-fs-write` restrictions using crafted relative symlink paths. By chaining directories and symlinks, a script granted access only to the current directory can escape the allowed path and read sensitive files. This breaks the expected isolation guarantees and enables arbitrary file read/write, leading to potential system compromise.\nThis vulnerability affects users of the permission model on Node.js v20,  v22,  v24, and v25.",
          "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": [
          "Debian-12:alt-nodejs23-docs-0:23.11.1-2.amd64",
          "Debian-12:alt-nodejs23-nodejs-0:23.11.1-2.amd64",
          "Debian-12:alt-nodejs23-nodejs-devel-0:23.11.1-2.amd64",
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els-alt-nodejs/cve/CVE-2025-55130"
        },
        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/december-2025-security-releases",
          "url": "https://nodejs.org/en/blog/vulnerability/december-2025-security-releases"
        }
      ],
      "release_date": "2026-01-20T21:16:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-02-05T17:31:10.383447Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1770312666",
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            "Debian-12:alt-nodejs23-npm-0:10.9.2-23.11.1.2.amd64"
          ],
          "url": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1770312666"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 9.1,
            "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:N",
            "version": "3.1"
          },
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          "details": "Critical"
        }
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}