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      "text": "Important"
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      "text": "TuxCare License Agreement",
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      {
        "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"
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      {
        "category": "details",
        "text": "* SECURITY UPDATE: HTTP/2 header blocks handed to JS stop being charged\n     against maxSessionMemory while they can still be kept alive, letting a\n     remote peer exhaust memory with many stalled streams carrying large\n     header blocks (CVE-2026-56846)\n     - debian/patches/CVE-2026-56846.patch: add a second per-stream counter\n       Http2Stream::retained_headers_length_ in src/node_http2.h, move\n       current_headers_length_ into it in Http2Session::HandleHeadersFrame()\n       instead of calling DecrementCurrentSessionMemory() there, and drain\n       both counters from the session total in Http2Session::RemoveStream()\n       so the header memory is un-charged only once the stream is gone;\n       also adds the upstream regression test\n       test/parallel/test-http2-max-session-memory-stalled-headers.js,\n       adapted in two ways: the header block is built as an object with a\n       multi-valued cookie field because Http2Session#request() rejects\n       upstream's flat header array, and the server is created with\n       maxHeaderListPairs raised to 4096 so AddHeader()'s pair-count\n       branch cannot be what the test measures, leaving the\n       session-memory branch as the only route\n     - CVE-2026-56846\n   * SECURITY UPDATE: HTTP/2 heap use-after-free when RST_STREAM is submitted\n     for a refused stream from inside an nghttp2 receive callback, which\n     re-enters nghttp2's send path and frees streams the active receive is\n     still using (CVE-2026-56848)\n     - debian/patches/CVE-2026-56848.patch: in\n       Http2Stream::SubmitRstStream() (src/node_http2.cc), defer the reset\n       when Http2Session::is_in_scope() and the code is\n       NGHTTP2_REFUSED_STREAM by calling FlushRstStream() and returning,\n       instead of falling through to the SendPendingData() force purge;\n       also adds the upstream regression test\n       test/parallel/test-http2-rst-stream-reentrancy.js\n     - CVE-2026-56848",
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        "summary": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788868868",
        "url": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788868868"
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          "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"
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      },
      "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"
        }
      ],
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      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T12:01:10.445888Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788868868",
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            "Debian-10:alt-nodejs20-npm-0:10.8.2-20.20.2-9.amd64"
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          "url": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788868868"
        },
        {
          "category": "none_available",
          "date": "2026-08-04T01:16:00Z",
          "details": "Affected",
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          "details": "Important"
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    },
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        "name": "Use After Free"
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          "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"
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          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788868868",
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          "url": "https://cve.tuxcare.com/els-alt-nodejs/releases/CLSA-2026:1788868868"
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          "category": "none_available",
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