{"id":855,"date":"2026-11-12T11:30:41","date_gmt":"2026-11-12T03:30:41","guid":{"rendered":"https:\/\/btc354.com\/index.php\/2026\/11\/12\/pulsemate-security-9cfd449f37aabcfd26aa1d716c0c81d22160d6fcfad06ac37ea1699e9eca04d0\/"},"modified":"2026-11-12T11:30:41","modified_gmt":"2026-11-12T03:30:41","slug":"pulsemate-security-9cfd449f37aabcfd26aa1d716c0c81d22160d6fcfad06ac37ea1699e9eca04d0","status":"publish","type":"post","link":"https:\/\/btc354.com\/index.php\/2026\/11\/12\/pulsemate-security-9cfd449f37aabcfd26aa1d716c0c81d22160d6fcfad06ac37ea1699e9eca04d0\/","title":{"rendered":"Node.js HTTP\/2 UAF \u6f0f\u6d1e\u6df1\u5ea6\u5256\u6790\uff1arespondWithFile \u89e6\u53d1\u7684\u5185\u5b58\u7834\u574f\u94fe\u8def\u4e0e\u751f\u4ea7\u5e94\u6025\u54cd\u5e94"},"content":{"rendered":"<div class=\"doc-spec-grid\">\n<div class=\"doc-spec-item\"><span class=\"doc-spec-label\">\ud83c\udfaf \u6838\u5fc3\u6280\u672f<\/span><span class=\"doc-spec-value\">Node.js HTTP\/2 \u6a21\u5757 \/ V8 \u5bf9\u8c61\u751f\u547d\u5468\u671f<\/span><\/div>\n<div class=\"doc-spec-item\"><span class=\"doc-spec-label\">\u26a1 \u67b6\u6784\u96be\u5ea6<\/span><span class=\"doc-spec-value\">\u8d44\u6df1\u67b6\u6784\u7ea7 (Level 3-4)<\/span><\/div>\n<div class=\"doc-spec-item\"><span class=\"doc-spec-label\">\ud83d\ude80 \u6838\u5fc3\u6536\u76ca<\/span><span class=\"doc-spec-value\">\u963b\u65ad\u672a\u8ba4\u8bc1 DoS \/ \u5185\u5b58\u7834\u574f\u9762\u6536\u655b 100%<\/span><\/div>\n<\/div>\n<blockquote class=\"doc-lead\"><p><strong>\u5bfc\u8bed\uff1a<\/strong>Node.js HTTP\/2 UAF \u6f0f\u6d1e\uff08CVE-2026-123874\uff09\u662f\u8fd1\u671f Node.js \u5b98\u65b9\u5b89\u5168\u516c\u544a\u4e2d\u98ce\u9669\u7b49\u7ea7\u6700\u9ad8\u7684\u4e00\u7c7b\u5185\u5b58\u5b89\u5168\u95ee\u9898\u2014\u2014\u672a\u8ba4\u8bc1\u5ba2\u6237\u7aef\u4ec5\u51ed\u4e00\u4e2a HTTP\/2 \u8bf7\u6c42\uff0c\u5c31\u80fd\u8ba9\u670d\u52a1\u7aef\u5728\u5199\u8bf7\u6c42\u4ecd\u6392\u961f\u4e8e socket \u65f6\u91ca\u653e <code>Http2Stream<\/code> \u5bf9\u8c61\uff0c\u968f\u540e\u5728\u5199\u5b8c\u6210\u56de\u8c03\u4e2d\u89e3\u5f15\u7528\u5df2\u91ca\u653e\u5185\u5b58\u5e76\u6267\u884c\u865a\u8c03\u7528\uff0c\u76f4\u63a5\u9020\u6210\u8fdb\u7a0b\u5d29\u6e83\u751a\u81f3\u6f5c\u5728\u7684\u5185\u5b58\u7834\u574f\u3002\u672c\u6587\u4ee5\u4e00\u7ebf\u67b6\u6784\u5e08\u89c6\u89d2\uff0c\u4ece\u5bf9\u8c61\u751f\u547d\u5468\u671f\u3001\u5199\u961f\u5217\u4e0e\u865a\u8c03\u7528\u8def\u5f84\u9010\u5c42\u62c6\u89e3\uff0c\u5e76\u7ed9\u51fa\u53ef\u76f4\u63a5\u843d\u5730\u7684\u751f\u4ea7\u5e94\u6025\u54cd\u5e94\u65b9\u6848\u3002<\/p><\/blockquote>\n<div class=\"doc-arch-card\">\n<div class=\"doc-arch-header\">\n<div class=\"doc-arch-title-wrap\">\n      <span class=\"doc-arch-title\"><span class=\"icon\">\ud83d\udcd0<\/span> Node.js HTTP\/2 UAF \u6f0f\u6d1e\u89e6\u53d1\u94fe\u8def\u5168\u666f<\/span><br \/>\n      <span class=\"doc-arch-badge\">\u4f01\u4e1a\u7ea7\u67b6\u6784\u89c4\u8303<\/span>\n    <\/div>\n<div class=\"doc-arch-actions\">\n      <button type=\"button\" class=\"doc-arch-btn btn-copy-raw\">\ud83d\udccb \u590d\u5236\u6e90\u7801<\/button><br \/>\n      <button type=\"button\" class=\"doc-arch-btn btn-zoom-arch\">\ud83d\udd0d \u653e\u5927\u67e5\u770b<\/button>\n    <\/div>\n<\/p><\/div>\n<pre class=\"mermaid\">\nflowchart TD\n    subgraph \u63a5\u5165\u5c42 [\"\u8868\u73b0\u5c42\u4e0e\u63a5\u5165\u7f51\u5173 (Client &amp; Gateway Tier)\"]\n        A[\"\u672a\u8ba4\u8bc1 HTTP\/2 \u5ba2\u6237\u7aef (TLS \/ Cleartext)\"] --&gt; B[\"HTTP\/2 \u8fde\u63a5\u4e0e Stream \u5efa\u7acb\"]\n    end\n    subgraph \u5e94\u7528\u5c42 [\"\u5e94\u7528\u670d\u52a1\u4e0e\u6587\u4ef6\u54cd\u5e94\u5c42 (Application Tier)\"]\n        B --&gt; C[\"stream.respondWithFile() \/ respondWithFD()\"]\n        C --&gt; D[\"\u6587\u4ef6\u53e5\u67c4\u4e0e\u6d41\u5bf9\u8c61\u7ed1\u5b9a\"]\n    end\n    subgraph \u5185\u6838\u5c42 [\"\u6838\u5fc3\u6d41\u4e0e\u5199\u961f\u5217\u5c42 (Core Stream Tier)\"]\n        D --&gt; E[\"Http2Stream \u5bf9\u8c61\u5f15\u7528\u8ba1\u6570\"]\n        E --&gt; F[\"\u5199\u8bf7\u6c42\u5165\u961f socket (Write Queue)\"]\n        F --&gt; G[\"\u5ba2\u6237\u7aef\u89e6\u53d1 Stream \u63d0\u524d\u91ca\u653e\"]\n    end\n    subgraph \u7834\u574f\u5c42 [\"\u5185\u5b58\u7834\u574f\u4e0e\u5d29\u6e83\u5c42 (Memory Corruption Tier)\"]\n        G --&gt; H[\"\u5199\u5b8c\u6210\u56de\u8c03\u89e3\u5f15\u7528\u5df2\u91ca\u653e\u5bf9\u8c61\"]\n        H --&gt; I[\"\u865a\u8c03\u7528\u7a7f\u8d8a\u60ac\u5782\u6307\u9488 (UAF)\"]\n        I --&gt; J[\"\u8fdb\u7a0b\u5d29\u6e83 \/ \u5185\u5b58\u7834\u574f\"]\n    end\n  <\/pre>\n<div class=\"doc-arch-caption\">\u56fe 1: Node.js HTTP\/2 UAF \u6f0f\u6d1e\u4ece\u63a5\u5165\u3001\u6587\u4ef6\u54cd\u5e94\u3001\u5199\u961f\u5217\u5230\u5185\u5b58\u7834\u574f\u7684\u5b8c\u6574\u89e6\u53d1\u94fe\u8def<\/div>\n<\/div>\n<h2 class=\"doc-h2\">\u4e00\u3001\u6f0f\u6d1e\u753b\u50cf\uff1a\u4e3a\u4ec0\u4e48 Node.js HTTP\/2 UAF \u6f0f\u6d1e\u503c\u5f97\u6700\u9ad8\u4f18\u5148\u7ea7\u54cd\u5e94<\/h2>\n<p class=\"doc-p\">\u4ece CVSS v3 \u5411\u91cf\u6765\u770b\uff0cCVE-2026-123874 \u7684\u8bc4\u5206\u4e3a 7.5\uff08High\uff09\uff0c\u5411\u91cf\u4e3a <code>AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:N\/I:N\/A:H<\/code>\u3002\u8fd9\u7ec4\u6307\u6807\u4f20\u9012\u51fa\u975e\u5e38\u660e\u786e\u7684\u4fe1\u53f7\uff1a\u653b\u51fb\u5411\u91cf\u662f\u7f51\u7edc\u53ef\u8fbe\u7684\uff0c\u653b\u51fb\u590d\u6742\u5ea6\u4f4e\uff0c\u4e0d\u9700\u8981\u4efb\u4f55\u6743\u9650\uff0c\u4e5f\u4e0d\u9700\u8981\u7528\u6237\u4ea4\u4e92\uff0c\u552f\u4e00\u53d7\u5f71\u54cd\u7684\u7ef4\u5ea6\u662f\u53ef\u7528\u6027\uff08Availability: High\uff09\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u8fd9\u662f\u4e00\u4e2a\u5178\u578b\u7684<strong>\u672a\u8ba4\u8bc1\u8fdc\u7a0b\u62d2\u7edd\u670d\u52a1<\/strong>\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u4e0d\u9700\u8981\u767b\u5f55\u3001\u4e0d\u9700\u8981\u6784\u9020\u590d\u6742\u8f7d\u8377\uff0c\u53ea\u8981\u76ee\u6807\u5e94\u7528\u4f7f\u7528\u4e86 <code>respondWithFile()<\/code> \u6216 <code>respondWithFD()<\/code> \u63d0\u4f9b\u6587\u4ef6\u670d\u52a1\uff0c\u5c31\u5177\u5907\u89e6\u53d1\u6761\u4ef6\u3002<\/p>\n<p class=\"doc-p\">\u66f4\u503c\u5f97\u8b66\u60d5\u7684\u662f\u6f0f\u6d1e\u7684\u89e6\u53d1\u524d\u63d0\u6781\u5176\u201c\u6734\u7d20\u201d\u3002\u516c\u544a\u660e\u786e\u6307\u51fa\uff1a\u552f\u4e00\u7684\u524d\u7f6e\u6761\u4ef6\u662f\u5e94\u7528\u901a\u8fc7 <code>stream.respondWithFile()<\/code> \u6216 <code>stream.respondWithFD()<\/code> \u63d0\u4f9b\u6587\u4ef6\uff0c\u5176\u4f59\u5747\u4f7f\u7528\u9ed8\u8ba4\u8bbe\u7f6e\u3002\u8fd9\u610f\u5473\u7740\u5927\u91cf\u9759\u6001\u8d44\u6e90\u670d\u52a1\u3001\u6587\u4ef6\u4e0b\u8f7d\u670d\u52a1\u3001\u5a92\u4f53\u6d41\u670d\u52a1\uff0c\u53ea\u8981\u8dd1\u5728\u53d7\u5f71\u54cd\u7248\u672c\u4e0a\uff0c\u5c31\u5929\u7136\u5904\u4e8e\u66b4\u9732\u9762\u4e4b\u4e2d\u3002\u5bf9\u4e8e\u67b6\u6784\u5e08\u800c\u8a00\uff0c\u8fd9\u7c7b\u201c\u9ed8\u8ba4\u914d\u7f6e\u5373\u8106\u5f31\u201d\u7684\u6f0f\u6d1e\uff0c\u5176\u4fee\u590d\u4f18\u5148\u7ea7\u5e94\u9ad8\u4e8e\u90a3\u4e9b\u9700\u8981\u7279\u5b9a\u975e\u9ed8\u8ba4\u914d\u7f6e\u624d\u80fd\u89e6\u53d1\u7684\u6f0f\u6d1e\u3002<\/p>\n<div class=\"doc-callout doc-callout-danger\">\n<div class=\"doc-callout-title\">\ud83d\udea8 \u4e25\u91cd\u9690\u60a3\u544a\u8b66<\/div>\n<p>\u53d7\u5f71\u54cd\u7248\u672c\u4e3a Node.js 26.x\uff08\u81ea 26.9.0 \u8d77\uff09\u4e0e 24.x\uff08\u81ea 24.22.0 \u8d77\uff09\u3002\u8bf7\u7acb\u5373\u6838\u5bf9\u751f\u4ea7\u73af\u5883\u7684 <code>node -v<\/code> \u8f93\u51fa\uff0c\u4efb\u4f55\u843d\u5728\u8be5\u533a\u95f4\u4e14\u5bf9\u5916\u63d0\u4f9b HTTP\/2 \u6587\u4ef6\u670d\u52a1\u7684\u5b9e\u4f8b\uff0c\u90fd\u5e94\u89c6\u4e3a\u5df2\u66b4\u9732\u3002<\/div>\n<h2 class=\"doc-h2\">\u4e8c\u3001\u6839\u56e0\u62c6\u89e3\uff1aHttp2Stream \u751f\u547d\u5468\u671f\u4e0e socket \u5199\u961f\u5217\u7684\u7ade\u6001<\/h2>\n<h3 class=\"doc-h3\">2.1 \u91ca\u653e\u540e\u4f7f\u7528\u7684\u672c\u8d28\uff1a\u5bf9\u8c61\u5df2\u6b7b\uff0c\u6307\u9488\u4ecd\u6d3b<\/h3>\n<p class=\"doc-p\">Use-After-Free\uff08UAF\uff09\u7684\u7ecf\u5178\u5f62\u6001\u662f\uff1a\u4e00\u5757\u5185\u5b58\u88ab\u91ca\u653e\u540e\uff0c\u7a0b\u5e8f\u4ecd\u6301\u6709\u6307\u5411\u5b83\u7684\u6307\u9488\uff0c\u5e76\u5728\u540e\u7eed\u64cd\u4f5c\u4e2d\u89e3\u5f15\u7528\u3002\u5728 Node.js HTTP\/2 \u7684\u5b9e\u73b0\u4e2d\uff0c<code>Http2Stream<\/code> \u662f\u4e00\u4e2a\u627f\u8f7d\u6d41\u72b6\u6001\u3001\u56de\u8c03\u4e0e\u5e95\u5c42\u53e5\u67c4\u7684\u6838\u5fc3\u5bf9\u8c61\u3002\u5f53\u5ba2\u6237\u7aef\u4e3b\u52a8\u5173\u95ed\u6d41\u3001\u6216\u8fde\u63a5\u5c42\u5224\u5b9a\u6d41\u5df2\u7ec8\u6b62\u65f6\uff0c\u8be5\u5bf9\u8c61\u4f1a\u88ab\u91ca\u653e\u3002\u95ee\u9898\u5728\u4e8e\uff0c\u6b64\u65f6 socket \u4e0a\u53ef\u80fd\u4ecd\u6709\u4e00\u4e2a\u6307\u5411\u8be5\u6d41\u7684\u5199\u8bf7\u6c42\u5904\u4e8e\u6392\u961f\u72b6\u6001\u3002<\/p>\n<p class=\"doc-p\">\u5f53\u8fd9\u4e2a\u5199\u8bf7\u6c42\u6700\u7ec8\u5b8c\u6210\uff0c\u5b8c\u6210\u56de\u8c03\u4f1a\u6cbf\u7740\u4fdd\u5b58\u7684\u5f15\u7528\u53bb\u8bbf\u95ee <code>Http2Stream<\/code>\uff0c\u5e76\u5bf9\u5176\u53d1\u8d77\u4e00\u6b21\u865a\u8c03\u7528\uff08virtual call\uff09\u3002\u7531\u4e8e\u5bf9\u8c61\u5185\u5b58\u5df2\u88ab\u91ca\u653e\uff0c\u8fd9\u6b21\u89e3\u5f15\u7528\u5c31\u53d8\u6210\u4e86\u5bf9\u60ac\u5782\u6307\u9488\u7684\u8bbf\u95ee\u2014\u2014\u8f7b\u5219\u8bfb\u5230\u810f\u6570\u636e\u5bfc\u81f4\u8fdb\u7a0b\u5d29\u6e83\uff0c\u91cd\u5219\u53ef\u80fd\u88ab\u7cbe\u5fc3\u6784\u9020\u7684\u5806\u5e03\u5c40\u5229\u7528\uff0c\u5f62\u6210\u66f4\u4e25\u91cd\u7684\u5185\u5b58\u7834\u574f\u3002\u516c\u544a\u4e2d\u201ccorrupt server memory\u201d\u7684\u8868\u8ff0\uff0c\u6b63\u662f\u5bf9\u8fd9\u4e00\u98ce\u9669\u7684\u51c6\u786e\u6982\u62ec\u3002<\/p>\n<h3 class=\"doc-h3\">2.2 \u7ade\u6001\u7a97\u53e3\uff1a\u4e3a\u4ec0\u4e48 respondWithFile \u662f\u91cd\u707e\u533a<\/h3>\n<p class=\"doc-p\">\u666e\u901a\u7684 <code>stream.respond()<\/code> \u5199\u5165\u7684\u6570\u636e\u901a\u5e38\u8f83\u5c0f\uff0c\u5199\u8bf7\u6c42\u5f88\u5feb\u5b8c\u6210\uff0c\u91ca\u653e\u4e0e\u5199\u5b8c\u6210\u4e4b\u95f4\u7684\u7a97\u53e3\u6781\u7a84\u3002\u800c <code>respondWithFile()<\/code> \u4e0e <code>respondWithFD()<\/code> \u9762\u5411\u7684\u662f\u6587\u4ef6\u5185\u5bb9\uff0c\u6570\u636e\u91cf\u5927\u3001\u5199\u64cd\u4f5c\u53ef\u80fd\u5206\u7247\u6392\u961f\uff0c\u5199\u8bf7\u6c42\u5728 socket \u961f\u5217\u4e2d\u9a7b\u7559\u7684\u65f6\u95f4\u663e\u8457\u62c9\u957f\u3002\u8fd9\u5c31\u4e3a\u653b\u51fb\u8005\u521b\u9020\u4e86\u53ef\u89c2\u6d4b\u3001\u53ef\u5229\u7528\u7684\u7ade\u6001\u7a97\u53e3\uff1a\u5728\u5199\u8bf7\u6c42\u6392\u961f\u671f\u95f4\u89e6\u53d1\u6d41\u91ca\u653e\uff0c\u7b49\u5199\u5b8c\u6210\u56de\u8c03\u89e6\u53d1\u65f6\uff0c\u5bf9\u8c61\u65e9\u5df2\u88ab\u56de\u6536\u3002<\/p>\n<div class=\"doc-callout doc-callout-info\">\n<div class=\"doc-callout-title\">\ud83d\udca1 \u67b6\u6784\u6838\u5fc3\u51b3\u7b56<\/div>\n<p>\u4ece\u9632\u5fa1\u8bbe\u8ba1\u89d2\u5ea6\u770b\uff0c\u8fd9\u7c7b\u6f0f\u6d1e\u7684\u6839\u6cbb\u65b9\u5411\u662f\u201c\u5199\u8bf7\u6c42\u6301\u6709\u5bf9\u8c61\u5f3a\u5f15\u7528\uff0c\u76f4\u5230\u5199\u5b8c\u6210\u56de\u8c03\u6267\u884c\u5b8c\u6bd5\u201d\u3002\u5728\u8865\u4e01\u4e0d\u53ef\u7acb\u5373\u4e0a\u7ebf\u65f6\uff0c\u5e94\u7528\u5c42\u5e94\u907f\u514d\u5728\u4e0d\u53ef\u4fe1\u8fde\u63a5\u4e0a\u76f4\u63a5\u4f7f\u7528 <code>respondWithFile()<\/code>\uff0c\u6539\u7528\u5e26\u80cc\u538b\u63a7\u5236\u7684\u6d41\u5f0f\u8bfb\u53d6\uff0c\u7f29\u77ed\u5355\u6b21\u5199\u8bf7\u6c42\u5728\u961f\u5217\u4e2d\u7684\u9a7b\u7559\u65f6\u95f4\u3002<\/div>\n<h2 class=\"doc-h2\">\u4e09\u3001\u5f71\u54cd\u9762\u8bc4\u4f30\uff1a\u8c01\u5728\u98ce\u9669\u533a\u5185<\/h2>\n<p class=\"doc-p\">\u5224\u65ad\u4e00\u4e2a\u670d\u52a1\u662f\u5426\u53d7\u5f71\u54cd\uff0c\u9700\u8981\u540c\u65f6\u6ee1\u8db3\u4e24\u4e2a\u6761\u4ef6\uff1a\u8fd0\u884c\u5728\u53d7\u5f71\u54cd\u7248\u672c\u533a\u95f4\uff0c\u4e14\u5bf9\u5916\u63d0\u4f9b HTTP\/2 \u6587\u4ef6\u54cd\u5e94\u80fd\u529b\u3002\u4e0b\u8868\u7ed9\u51fa\u4e0d\u540c\u573a\u666f\u4e0b\u7684\u98ce\u9669\u5224\u5b9a\u4e0e\u5904\u7f6e\u5efa\u8bae\uff0c\u4fbf\u4e8e\u56e2\u961f\u5feb\u901f\u5206\u6d41\u3002<\/p>\n<div class=\"doc-table-wrapper\">\n<table class=\"doc-table\">\n<thead>\n<tr>\n<th>\u573a\u666f<\/th>\n<th>\u7248\u672c\u533a\u95f4<\/th>\n<th>\u662f\u5426\u4f7f\u7528 respondWithFile\/FD<\/th>\n<th>\u98ce\u9669\u5224\u5b9a<\/th>\n<th>\u5904\u7f6e\u5efa\u8bae<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u9759\u6001\u8d44\u6e90 CDN \u56de\u6e90\u670d\u52a1<\/td>\n<td>26.9.0+ \/ 24.22.0+<\/td>\n<td>\u662f<\/td>\n<td><span class=\"badge-tag-green\">\u9ad8\u5371<\/span><\/td>\n<td>\u7acb\u5373\u5347\u7ea7\u6216\u4e34\u65f6\u7981\u7528 HTTP\/2 \u6587\u4ef6\u54cd\u5e94<\/td>\n<\/tr>\n<tr>\n<td>\u6587\u4ef6\u4e0b\u8f7d \/ \u5a92\u4f53\u6d41\u670d\u52a1<\/td>\n<td>26.9.0+ \/ 24.22.0+<\/td>\n<td>\u662f<\/td>\n<td><span class=\"badge-tag-green\">\u9ad8\u5371<\/span><\/td>\n<td>\u5347\u7ea7\u4f18\u5148\uff0c\u524d\u7f6e WAF \u9650\u901f<\/td>\n<\/tr>\n<tr>\n<td>\u7eaf API \u7f51\u5173\uff08JSON \u54cd\u5e94\uff09<\/td>\n<td>26.9.0+ \/ 24.22.0+<\/td>\n<td>\u5426<\/td>\n<td>\u4e2d\u4f4e<\/td>\n<td>\u7eb3\u5165\u5e38\u89c4\u5347\u7ea7\u7a97\u53e3<\/td>\n<\/tr>\n<tr>\n<td>\u5df2\u5347\u7ea7\u81f3\u4fee\u590d\u7248\u672c<\/td>\n<td>\u4fee\u590d\u7248\u672c<\/td>\n<td>\u4efb\u610f<\/td>\n<td>\u5b89\u5168<\/td>\n<td>\u4fdd\u6301\u7248\u672c\u8ddf\u8e2a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"doc-callout doc-callout-warning\">\n<div class=\"doc-callout-title\">\u26a0\ufe0f \u751f\u4ea7\u907f\u5751\u98ce\u9669<\/div>\n<p>\u4e0d\u8981\u4ec5\u51ed\u201c\u6211\u4eec\u6ca1\u4e3b\u52a8\u5f00 HTTP\/2\u201d\u5c31\u5224\u5b9a\u5b89\u5168\u3002\u53cd\u5411\u4ee3\u7406\uff08\u5982 Nginx\u3001Envoy\uff09\u5230\u4e0a\u6e38 Node.js \u7684\u94fe\u8def\u82e5\u914d\u7f6e\u4e86 h2c \u660e\u6587\u5347\u7ea7\uff0c\u540c\u6837\u53ef\u80fd\u628a\u653b\u51fb\u6d41\u91cf\u900f\u4f20\u5230 Node.js \u8fdb\u7a0b\u3002\u8bf7\u540c\u65f6\u6838\u67e5\u4ee3\u7406\u5c42\u4e0e\u4e0a\u6e38\u7684\u534f\u8bae\u914d\u7f6e\u3002<\/p><\/div>\n<h2 class=\"doc-h2\">\u56db\u3001\u5e94\u6025\u54cd\u5e94\uff1a\u4ece\u68c0\u6d4b\u5230\u4fee\u590d\u7684\u5de5\u7a0b\u5316\u843d\u5730<\/h2>\n<h3 class=\"doc-h3\">4.1 \u7b2c\u4e00\u6b65\uff1a\u7248\u672c\u6e05\u70b9\u4e0e\u66b4\u9732\u9762\u786e\u8ba4<\/h3>\n<p class=\"doc-p\">\u5e94\u6025\u54cd\u5e94\u7684\u7b2c\u4e00\u539f\u5219\u662f\u201c\u5148\u786e\u8ba4\uff0c\u518d\u52a8\u624b\u201d\u3002\u5728\u5bb9\u5668\u5316\u73af\u5883\u4e2d\uff0c\u5efa\u8bae\u901a\u8fc7\u7edf\u4e00\u811a\u672c\u6279\u91cf\u91c7\u96c6\u7248\u672c\u4fe1\u606f\uff0c\u907f\u514d\u4eba\u5de5\u9010\u53f0\u6838\u5bf9\u9057\u6f0f\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-title=\"check-node-version.sh\">#!\/usr\/bin\/env bash\n# \u6279\u91cf\u91c7\u96c6 Node.js \u7248\u672c\uff0c\u6807\u8bb0\u53d7\u5f71\u54cd\u533a\u95f4\nset -euo pipefail\n\nfor host in $(cat hosts.txt); do\n  ver=$(ssh \"$host\" 'node -v' 2&gt;\/dev\/null | sed 's\/^v\/\/')\n  major=$(echo \"$ver\" | cut -d. -f1)\n  minor=$(echo \"$ver\" | cut -d. -f2)\n  if { [ \"$major\" -eq 26 ] &amp;&amp; [ \"$minor\" -ge 9 ]; } || \n     { [ \"$major\" -eq 24 ] &amp;&amp; [ \"$minor\" -ge 22 ]; }; then\n    echo \"[VULNERABLE] $host -&gt; v$ver\"\n  else\n    echo \"[OK]         $host -&gt; v$ver\"\n  fi\ndone<\/pre>\n<h3 class=\"doc-h3\">4.2 \u7b2c\u4e8c\u6b65\uff1a\u5347\u7ea7\u5230\u4fee\u590d\u7248\u672c<\/h3>\n<p class=\"doc-p\">\u5b98\u65b9\u5df2\u5728\u5b89\u5168\u7248\u672c\u4e2d\u4fee\u590d\u8be5\u95ee\u9898\u3002\u5347\u7ea7\u65f6\u5e94\u9075\u5faa\u201c\u5148\u7070\u5ea6\u3001\u540e\u5168\u91cf\u201d\u7684\u8282\u594f\uff0c\u5e76\u91cd\u70b9\u56de\u5f52\u6587\u4ef6\u4e0b\u8f7d\u3001\u5927\u6587\u4ef6\u54cd\u5e94\u3001HTTP\/2 \u957f\u8fde\u63a5\u7b49\u573a\u666f\u3002\u4ee5\u4e0b\u4e3a\u57fa\u4e8e nvm \u7684\u5347\u7ea7\u4e0e\u56de\u6eda\u811a\u672c\u793a\u4f8b\u3002<\/p>\n<details class=\"doc-accordion\">\n<summary>\u70b9\u51fb\u5c55\u5f00\uff1a\u5347\u7ea7\u6267\u884c\u547d\u4ee4\u4e0e\u5907\u7528\u56de\u6eda\u811a\u672c<\/summary>\n<div class=\"doc-accordion-content\">\n<pre><code class=\"language-bash\"># \u5347\u7ea7\u5230\u5b98\u65b9\u4fee\u590d\u7248\u672c\uff08\u4ee5\u5b9e\u9645\u516c\u544a\u7248\u672c\u53f7\u4e3a\u51c6\uff09\nnvm install 24.23.0\nnvm use 24.23.0\nnode -v\n\n# \u56de\u6eda\uff08\u4fdd\u7559\u65e7\u7248\u672c\u4ee5\u4fbf\u5feb\u901f\u5207\u6362\uff09\nnvm install 24.22.0\nnvm use 24.22.0\n\n# \u5bb9\u5668\u955c\u50cf\u573a\u666f\uff1a\u56fa\u5b9a\u57fa\u7840\u955c\u50cf tag\uff0c\u907f\u514d latest \u6f02\u79fb\n# FROM node:24.23.0-alpine\n<\/code><\/pre>\n<\/div>\n<\/details>\n<h3 class=\"doc-h3\">4.3 \u7b2c\u4e09\u6b65\uff1a\u65e0\u6cd5\u7acb\u5373\u5347\u7ea7\u65f6\u7684\u4e34\u65f6\u7f13\u89e3<\/h3>\n<p class=\"doc-p\">\u5bf9\u4e8e\u5347\u7ea7\u7a97\u53e3\u53d7\u9650\u7684\u6838\u5fc3\u7cfb\u7edf\uff0c\u53ef\u5728\u7f51\u5173\u5c42\u5b9e\u65bd\u4e34\u65f6\u7f13\u89e3\uff0c\u6838\u5fc3\u601d\u8def\u662f\u964d\u4f4e\u653b\u51fb\u8005\u53ef\u89e6\u53d1\u7684\u5e76\u53d1\u4e0e\u5199\u961f\u5217\u9a7b\u7559\u65f6\u95f4\uff1a<\/p>\n<ul class=\"doc-list\">\n<li>\u5728\u53cd\u5411\u4ee3\u7406\u5c42\u5bf9\u5355\u8fde\u63a5\u7684\u5e76\u53d1\u6d41\u6570\u91cf\u8bbe\u7f6e\u4e0a\u9650\uff0c\u538b\u7f29\u7ade\u6001\u7a97\u53e3\uff1b<\/li>\n<li>\u5bf9\u6587\u4ef6\u4e0b\u8f7d\u7c7b\u63a5\u53e3\u589e\u52a0\u901f\u7387\u9650\u5236\u4e0e\u8fde\u63a5\u6570\u9650\u5236\uff0c\u62ac\u9ad8\u653b\u51fb\u6210\u672c\uff1b<\/li>\n<li>\u4e34\u65f6\u5c06\u6587\u4ef6\u54cd\u5e94\u4ece <code>respondWithFile()<\/code> \u5207\u6362\u4e3a\u5e26\u80cc\u538b\u7684 <code>fs.createReadStream().pipe(stream)<\/code> \u6a21\u5f0f\uff1b<\/li>\n<li>\u5728 WAF \u5c42\u5bf9\u5f02\u5e38 HTTP\/2 \u6d41\u91cd\u7f6e\u884c\u4e3a\u8fdb\u884c\u68c0\u6d4b\u4e0e\u62e6\u622a\u3002<\/li>\n<\/ul>\n<div class=\"baota-config-bar\"><span>http2_max_concurrent_streams 64;<\/span><span class=\"lang-tag\">NGINX<\/span><\/div>\n<h2 class=\"doc-h2\">\u4e94\u3001\u7eb5\u6df1\u9632\u5fa1\uff1a\u628a\u5185\u5b58\u5b89\u5168\u98ce\u9669\u7eb3\u5165\u67b6\u6784\u57fa\u7ebf<\/h2>\n<p class=\"doc-p\">Node.js HTTP\/2 UAF \u6f0f\u6d1e\u518d\u6b21\u63d0\u9192\u6211\u4eec\uff1a\u8fd0\u884c\u65f6\u5c42\u9762\u7684\u5185\u5b58\u5b89\u5168\u95ee\u9898\uff0c\u65e0\u6cd5\u4ec5\u9760\u5e94\u7528\u4ee3\u7801\u7684\u8f93\u5165\u6821\u9a8c\u6765\u515c\u5e95\u3002\u6210\u719f\u7684\u67b6\u6784\u5e94\u628a\u8fd9\u7c7b\u98ce\u9669\u7eb3\u5165\u57fa\u7ebf\u6cbb\u7406\uff1a<\/p>\n<ul class=\"doc-list\">\n<li><strong>\u7248\u672c\u6cbb\u7406\uff1a<\/strong>\u5efa\u7acb\u8fd0\u884c\u65f6\u7248\u672c\u53f0\u8d26\uff0c\u8ba2\u9605 Node.js \u5b89\u5168\u516c\u544a\uff0c\u5c06\u9ad8\u5371\u6f0f\u6d1e\u7684\u4fee\u590d SLA \u7eb3\u5165\u53d1\u5e03\u6d41\u7a0b\uff1b<\/li>\n<li><strong>\u8fdb\u7a0b\u9694\u79bb\uff1a<\/strong>\u6587\u4ef6\u670d\u52a1\u4e0e\u6838\u5fc3\u4e1a\u52a1\u5206\u8fdb\u7a0b\u3001\u5206\u5bb9\u5668\u90e8\u7f72\uff0c\u907f\u514d\u5355\u70b9\u5d29\u6e83\u6269\u6563\u4e3a\u5168\u5c40\u6545\u969c\uff1b<\/li>\n<li><strong>\u5d29\u6e83\u53ef\u89c2\u6d4b\uff1a<\/strong>\u63a5\u5165 core dump \u4e0e\u5d29\u6e83\u805a\u5408\u5206\u6790\uff0c\u533a\u5206\u201c\u6b63\u5e38\u5f02\u5e38\u201d\u4e0e\u201c\u7591\u4f3c\u5185\u5b58\u7834\u574f\u201d\u4e24\u7c7b\u5d29\u6e83\uff1b<\/li>\n<li><strong>\u6700\u5c0f\u66b4\u9732\uff1a<\/strong>\u975e\u5fc5\u8981\u4e0d\u5bf9\u5916\u66b4\u9732 HTTP\/2 \u6587\u4ef6\u54cd\u5e94\u80fd\u529b\uff0c\u4ee3\u7406\u5c42\u7edf\u4e00\u6536\u655b\u534f\u8bae\u4e0e\u5e76\u53d1\u3002<\/li>\n<\/ul>\n<div class=\"doc-callout doc-callout-info\">\n<div class=\"doc-callout-title\">\ud83d\udca1 \u67b6\u6784\u6838\u5fc3\u51b3\u7b56<\/div>\n<p>\u5bf9\u4e8e\u4ee5\u6587\u4ef6\u5206\u53d1\u4e3a\u6838\u5fc3\u4e1a\u52a1\u7684\u7cfb\u7edf\uff0c\u5efa\u8bae\u5728\u67b6\u6784\u4e0a\u628a\u201c\u6587\u4ef6\u54cd\u5e94\u201d\u4e0b\u6c89\u5230\u4e13\u7528\u9759\u6001\u670d\u52a1\uff08\u5982 Nginx\u3001\u5bf9\u8c61\u5b58\u50a8\uff09\uff0cNode.js \u4ec5\u627f\u62c5\u9274\u6743\u4e0e\u7b7e\u540d\uff0c\u4ece\u6839\u6e90\u4e0a\u6d88\u9664\u8be5\u7c7b\u6f0f\u6d1e\u7684\u4e1a\u52a1\u66b4\u9732\u9762\u3002<\/p><\/div>\n<div class=\"doc-callout doc-callout-related\">\n<div class=\"doc-callout-title\">\ud83d\udd17 \u5ef6\u4f38\u9605\u8bfb\u4e0e\u4e13\u680f\u63a8\u8350<\/div>\n<ul class=\"doc-internal-links\">\n<li><strong>\u6240\u5c5e\u4e13\u680f\uff1a<\/strong><a href=\"https:\/\/btc354.com\/index.php\/category\/javascript\/\">\u6d4f\u89c8\u66f4\u591a\u3010JavaScript\u3011\u6280\u672f\u67b6\u6784\u4e0e\u5de5\u7a0b\u5b9e\u6218\u6587\u7ae0<\/a><\/li>\n<li><strong>\u63a8\u8350\u6df1\u5ea6\u9605\u8bfb\uff1a<\/strong><a href=\"https:\/\/btc354.com\/index.php\/2026\/11\/04\/%e5%88%b7%e6%96%b0%e4%bb%a4%e7%89%8c%e8%bd%ae%e6%8d%a2%e7%9a%84%e4%b8%89%e5%a4%a7%e6%8e%a7%e5%88%b6%ef%bc%9a%e6%bb%91%e5%8a%a8%e8%bf%87%e6%9c%9f%e4%b8%8e%e7%bb%9d%e5%af%b9%e4%b8%8a%e9%99%90%e7%9a%84\/\">\u5237\u65b0\u4ee4\u724c\u8f6e\u6362\u7684\u4e09\u5927\u63a7\u5236\uff1a\u6ed1\u52a8\u8fc7\u671f\u4e0e\u7edd\u5bf9\u4e0a\u9650\u7684\u5de5\u7a0b\u5316\u843d\u5730\uff08Node.js\/Express \u5b9e\u6218\uff09<\/a><\/li>\n<li><strong>\u63a8\u8350\u6df1\u5ea6\u9605\u8bfb\uff1a<\/strong><a href=\"https:\/\/btc354.com\/index.php\/2026\/11\/12\/pulsemate-security-9f7db533d13949eb815dacbf7d6338d76778382d1e040edda3b4cff0d409f74b\/\">Node.js HTTP\/2 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rel=\"noopener noreferrer\">Node.js \u5b98\u65b9 2026 \u5e74 11 \u6708\u5b89\u5168\u53d1\u5e03\u516c\u544a<\/a>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5ea6\u5256\u6790 Node.js HTTP\/2 UAF \u6f0f\u6d1e\uff08CVE-2026-123874\uff0cCVSS 7.5\uff09\uff1a\u672a\u8ba4\u8bc1\u5ba2\u6237\u7aef\u53ef\u901a\u8fc7 respondWithFile()\/respondWithFD() \u89e6\u53d1\u91ca\u653e\u540e\u4f7f\u7528\uff0c\u5bfc\u81f4\u5185\u5b58\u7834\u574f\u4e0e\u62d2\u7edd\u670d\u52a1\u3002\u672c\u6587\u4ece V8 \u5bf9\u8c61\u751f\u547d\u5468\u671f\u3001\u6d41\u961f\u5217\u4e0e socket \u5199\u56de\u673a\u5236\u5207\u5165\uff0c\u7ed9\u51fa\u5f71\u54cd\u7248\u672c\u5224\u5b9a\u3001PoC 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