{
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      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
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        "url": "https://www.first.org/tlp/"
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      "contact_details": "https://tuxcare.com/contact/",
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        "date": "2025-11-27T18:16:40Z",
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          "name": "pyCSAF"
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      "id": "CLSA-2025:1759509206",
      "initial_release_date": "2025-10-03T16:34:15Z",
      "revision_history": [
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          "date": "2025-10-03T16:34:15Z",
          "number": "1",
          "summary": "Initial version"
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          "number": "2",
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      "version": "2"
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    "title": "alt-nodejs16-nodejs: Fix of CVE-2025-23085"
  },
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      "cve": "CVE-2024-27983",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "notes": [
        {
          "category": "description",
          "text": "An attacker can make the Node.js HTTP/2 server completely unavailable by sending a small amount of HTTP/2 frames packets with a few HTTP/2 frames inside. It is possible to leave some data in nghttp2 memory after reset when headers with HTTP/2 CONTINUATION frame are sent to the server and then a TCP connection is abruptly closed by the client triggering the Http2Session destructor while header frames are still being processed (and stored in memory) causing a race condition.",
          "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": [
          "CentOS-8:alt-nodejs16-nodejs-0:16.20.2-1.el8.tuxcare.els2.x86_64",
          "CentOS-8:alt-nodejs16-nodejs-devel-0:16.20.2-1.el8.tuxcare.els2.x86_64",
          "CentOS-8:alt-nodejs16-nodejs-docs-0:16.20.2-1.el8.tuxcare.els2.noarch",
          "CentOS-8:alt-nodejs16-npm-0:8.19.4-16.20.2.1.el8.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els-alt-nodejs/cve/CVE-2024-27983"
        }
      ],
      "release_date": "2024-04-03T00:00:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-10-03T16:33:28.799293Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2025:1759509206",
          "product_ids": [
            "CentOS-8:alt-nodejs16-nodejs-0:16.20.2-1.el8.tuxcare.els2.x86_64",
            "CentOS-8:alt-nodejs16-nodejs-devel-0:16.20.2-1.el8.tuxcare.els2.x86_64",
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            "CentOS-8:alt-nodejs16-npm-0:8.19.4-16.20.2.1.el8.x86_64"
          ],
          "url": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2025:1759509206"
        }
      ],
      "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"
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          "text": "A memory leak could occur when a remote peer abruptly closes the socket without sending a GOAWAY notification. Additionally, if an invalid header was detected by nghttp2, causing the connection to be terminated by the peer, the same leak was triggered. This flaw could lead to increased memory consumption and potential denial of service under certain conditions.\nThis vulnerability affects HTTP/2 Server users on Node.js v18.x, v20.x, v22.x and v23.x.",
          "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"
        }
      ],
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