{
  "document": {
    "aggregate_severity": {
      "text": "Important"
    },
    "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": "* Update to 24.18.1",
        "title": "Details"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788939382",
        "url": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788939382"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_alt_nodejs/debian12/advisories/2026/clsa-2026_1788939382.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-09-09T07:37:21Z",
      "generator": {
        "date": "2026-09-09T07:37:21Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CLSA-2026:1788939382",
      "initial_release_date": "2026-09-09T07:37:21Z",
      "revision_history": [
        {
          "date": "2026-09-09T07:37:21Z",
          "number": "1",
          "summary": "Initial version"
        }
      ],
      "status": "final",
      "version": "1"
    },
    "title": "Fix CVE(s): CVE-2026-56846, CVE-2026-56848, CVE-2026-58043"
  },
  "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."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "alt-nodejs24-nodejs-devel-0:24.18.1-1.amd64",
                "product": {
                  "name": "alt-nodejs24-nodejs-devel-0:24.18.1-1.amd64",
                  "product_id": "alt-nodejs24-nodejs-devel-0:24.18.1-1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs24-nodejs-devel@24.18.1-1?arch=amd64&os_name=debian&os_version=12"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "alt-nodejs24-npm-0:11.16.0-24.18.1.1.amd64",
                "product": {
                  "name": "alt-nodejs24-npm-0:11.16.0-24.18.1.1.amd64",
                  "product_id": "alt-nodejs24-npm-0:11.16.0-24.18.1.1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs24-npm@11.16.0-24.18.1.1?arch=amd64&os_name=debian&os_version=12"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "alt-nodejs24-nodejs-0:24.18.1-1.amd64",
                "product": {
                  "name": "alt-nodejs24-nodejs-0:24.18.1-1.amd64",
                  "product_id": "alt-nodejs24-nodejs-0:24.18.1-1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs24-nodejs@24.18.1-1?arch=amd64&os_name=debian&os_version=12"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "alt-nodejs24-docs-0:24.18.1-1.amd64",
                "product": {
                  "name": "alt-nodejs24-docs-0:24.18.1-1.amd64",
                  "product_id": "alt-nodejs24-docs-0:24.18.1-1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs24-docs@24.18.1-1?arch=amd64&os_name=debian&os_version=12"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "amd64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "alt-nodejs24-nodejs-devel-0:24.18.1-1.arm64",
                "product": {
                  "name": "alt-nodejs24-nodejs-devel-0:24.18.1-1.arm64",
                  "product_id": "alt-nodejs24-nodejs-devel-0:24.18.1-1.arm64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs24-nodejs-devel@24.18.1-1?arch=arm64&os_name=debian&os_version=12"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "alt-nodejs24-npm-0:11.16.0-24.18.1.1.arm64",
                "product": {
                  "name": "alt-nodejs24-npm-0:11.16.0-24.18.1.1.arm64",
                  "product_id": "alt-nodejs24-npm-0:11.16.0-24.18.1.1.arm64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs24-npm@11.16.0-24.18.1.1?arch=arm64&os_name=debian&os_version=12"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "alt-nodejs24-nodejs-0:24.18.1-1.arm64",
                "product": {
                  "name": "alt-nodejs24-nodejs-0:24.18.1-1.arm64",
                  "product_id": "alt-nodejs24-nodejs-0:24.18.1-1.arm64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs24-nodejs@24.18.1-1?arch=arm64&os_name=debian&os_version=12"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "alt-nodejs24-docs-0:24.18.1-1.arm64",
                "product": {
                  "name": "alt-nodejs24-docs-0:24.18.1-1.arm64",
                  "product_id": "alt-nodejs24-docs-0:24.18.1-1.arm64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/alt-nodejs24-docs@24.18.1-1?arch=arm64&os_name=debian&os_version=12"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "arm64"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs24-nodejs-devel-0:24.18.1-1.amd64 as a component of Debian 12",
          "product_id": "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.amd64"
        },
        "product_reference": "alt-nodejs24-nodejs-devel-0:24.18.1-1.amd64",
        "relates_to_product_reference": "Debian-12"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs24-nodejs-devel-0:24.18.1-1.arm64 as a component of Debian 12",
          "product_id": "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.arm64"
        },
        "product_reference": "alt-nodejs24-nodejs-devel-0:24.18.1-1.arm64",
        "relates_to_product_reference": "Debian-12"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs24-npm-0:11.16.0-24.18.1.1.amd64 as a component of Debian 12",
          "product_id": "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.amd64"
        },
        "product_reference": "alt-nodejs24-npm-0:11.16.0-24.18.1.1.amd64",
        "relates_to_product_reference": "Debian-12"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs24-npm-0:11.16.0-24.18.1.1.arm64 as a component of Debian 12",
          "product_id": "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.arm64"
        },
        "product_reference": "alt-nodejs24-npm-0:11.16.0-24.18.1.1.arm64",
        "relates_to_product_reference": "Debian-12"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs24-nodejs-0:24.18.1-1.amd64 as a component of Debian 12",
          "product_id": "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.amd64"
        },
        "product_reference": "alt-nodejs24-nodejs-0:24.18.1-1.amd64",
        "relates_to_product_reference": "Debian-12"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs24-nodejs-0:24.18.1-1.arm64 as a component of Debian 12",
          "product_id": "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.arm64"
        },
        "product_reference": "alt-nodejs24-nodejs-0:24.18.1-1.arm64",
        "relates_to_product_reference": "Debian-12"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs24-docs-0:24.18.1-1.arm64 as a component of Debian 12",
          "product_id": "Debian-12:alt-nodejs24-docs-0:24.18.1-1.arm64"
        },
        "product_reference": "alt-nodejs24-docs-0:24.18.1-1.arm64",
        "relates_to_product_reference": "Debian-12"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "alt-nodejs24-docs-0:24.18.1-1.amd64 as a component of Debian 12",
          "product_id": "Debian-12:alt-nodejs24-docs-0:24.18.1-1.amd64"
        },
        "product_reference": "alt-nodejs24-docs-0:24.18.1-1.amd64",
        "relates_to_product_reference": "Debian-12"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-58043",
      "cwe": {
        "id": "CWE-284",
        "name": "Improper Access Control"
      },
      "notes": [
        {
          "category": "description",
          "text": "A flaw in Node.js Permission Model enforcement can over-grant filesystem access across radix-tree prefix boundaries.\r\n\r\nUnder `--permission`, an attacker who is granted access to one path can abuse boundary handling to read from or write to paths outside the intended filesystem allowlist.\r\n\r\nThis vulnerability affects Node.js **main**, **22.x**, **24.x**, and **26.x**.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "Debian-12:alt-nodejs24-docs-0:24.18.1-1.amd64",
          "Debian-12:alt-nodejs24-docs-0:24.18.1-1.arm64",
          "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.amd64",
          "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.arm64",
          "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.amd64",
          "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.arm64",
          "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.amd64",
          "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.arm64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els-alt-nodejs/cve/CVE-2026-58043"
        },
        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/july-2026-security-releases",
          "url": "https://nodejs.org/en/blog/vulnerability/july-2026-security-releases"
        }
      ],
      "release_date": "2026-07-30T06:25:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-09T07:36:25.041147Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788939382",
          "product_ids": [
            "Debian-12:alt-nodejs24-docs-0:24.18.1-1.amd64",
            "Debian-12:alt-nodejs24-docs-0:24.18.1-1.arm64",
            "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.amd64",
            "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.arm64",
            "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.amd64",
            "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.arm64",
            "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.amd64",
            "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.arm64"
          ],
          "url": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788939382"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    },
    {
      "cve": "CVE-2026-56846",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "notes": [
        {
          "category": "description",
          "text": "A flaw in Node.js HTTP/2 handling can cause HTTP/2 retained header blocks evade maxSessionMemory and enable remote memory exhaustion.\r\n\r\nThis vulnerability affects Node.js **24.x** and **22.x**.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "Debian-12:alt-nodejs24-docs-0:24.18.1-1.amd64",
          "Debian-12:alt-nodejs24-docs-0:24.18.1-1.arm64",
          "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.amd64",
          "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.arm64",
          "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.amd64",
          "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.arm64",
          "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.amd64",
          "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.arm64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els-alt-nodejs/cve/CVE-2026-56846"
        },
        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/july-2026-security-releases",
          "url": "https://nodejs.org/en/blog/vulnerability/july-2026-security-releases"
        }
      ],
      "release_date": "2026-08-04T01:16:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-09T07:36:25.041147Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788939382",
          "product_ids": [
            "Debian-12:alt-nodejs24-docs-0:24.18.1-1.amd64",
            "Debian-12:alt-nodejs24-docs-0:24.18.1-1.arm64",
            "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.amd64",
            "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.arm64",
            "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.amd64",
            "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.arm64",
            "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.amd64",
            "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.arm64"
          ],
          "url": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788939382"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    },
    {
      "cve": "CVE-2026-56848",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "notes": [
        {
          "category": "description",
          "text": "A flaw in Node.js HTTP/2 handling allows `nghttp2_session_mem_send()` to be called re-entrantly while `nghttp2_session_mem_recv()` is executing, resulting in a heap-use-after-free.\r\n\r\nThis vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "Debian-12:alt-nodejs24-docs-0:24.18.1-1.amd64",
          "Debian-12:alt-nodejs24-docs-0:24.18.1-1.arm64",
          "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.amd64",
          "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.arm64",
          "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.amd64",
          "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.arm64",
          "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.amd64",
          "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.arm64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els-alt-nodejs/cve/CVE-2026-56848"
        },
        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/july-2026-security-releases",
          "url": "https://nodejs.org/en/blog/vulnerability/july-2026-security-releases"
        }
      ],
      "release_date": "2026-08-04T17:16:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-09T07:36:25.041147Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788939382",
          "product_ids": [
            "Debian-12:alt-nodejs24-docs-0:24.18.1-1.amd64",
            "Debian-12:alt-nodejs24-docs-0:24.18.1-1.arm64",
            "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.amd64",
            "Debian-12:alt-nodejs24-nodejs-0:24.18.1-1.arm64",
            "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.amd64",
            "Debian-12:alt-nodejs24-nodejs-devel-0:24.18.1-1.arm64",
            "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.amd64",
            "Debian-12:alt-nodejs24-npm-0:11.16.0-24.18.1.1.arm64"
          ],
          "url": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788939382"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    }
  ]
}