{"id":1067,"date":"2026-11-14T05:43:00","date_gmt":"2026-11-13T21:43:00","guid":{"rendered":"https:\/\/btc354.com\/index.php\/2026\/11\/14\/pulsemate-security-80efdcbc6855ed3354f0c06d9a2802269156d14950818578dba786a1e5fc01e2\/"},"modified":"2026-11-14T05:43:00","modified_gmt":"2026-11-13T21:43:00","slug":"pulsemate-security-80efdcbc6855ed3354f0c06d9a2802269156d14950818578dba786a1e5fc01e2","status":"publish","type":"post","link":"https:\/\/btc354.com\/index.php\/2026\/11\/14\/pulsemate-security-80efdcbc6855ed3354f0c06d9a2802269156d14950818578dba786a1e5fc01e2\/","title":{"rendered":"PostgreSQL UAF \u6f0f\u6d1e\u6df1\u5ea6\u5e94\u6025\u54cd\u5e94\uff1aCVE-2026-116304 \u5e76\u884c Worker \u533f\u540d RECORD \u7c7b\u578b\u91ca\u653e\u5bfc\u81f4\u7684\u4efb\u610f\u4ee3\u7801\u6267\u884c\u94fe\u5256\u6790"},"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\">PostgreSQL \u5e76\u884c\u6267\u884c\u5668 \/ \u5171\u4eab\u5185\u5b58\u5143\u7ec4\u63cf\u8ff0\u7b26<\/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 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 OS \u7ea7 RCE \/ 30 \u5206\u949f\u5b8c\u6210\u5e94\u6025\u95ed\u73af<\/span><\/div>\n<\/div>\n<blockquote class=\"doc-lead\"><p><strong>\u5bfc\u8bed\uff1a<\/strong>PostgreSQL UAF \u6f0f\u6d1e CVE-2026-116304 \u662f 2026 \u5e74\u5ea6\u6570\u636e\u5e93\u5185\u6838\u5c42\u9762\u6700\u503c\u5f97\u8b66\u60d5\u7684\u5185\u5b58\u5b89\u5168\u7f3a\u9677\u4e4b\u4e00\u2014\u2014\u5b83\u628a\u300c\u5e76\u884c\u67e5\u8be2\u300d\u8fd9\u4e00\u6027\u80fd\u7279\u6027\u53d8\u6210\u4e86\u653b\u51fb\u9762\uff1a\u666e\u901a\u6570\u636e\u5e93\u7528\u6237\u53ea\u9700\u6784\u9020\u533f\u540d RECORD \u7c7b\u578b\u5728\u5e76\u884c worker \u95f4\u7684\u534f\u8c03\u573a\u666f\uff0c\u5373\u53ef\u8ba9\u4e00\u4e2a\u8fdb\u7a0b\u91ca\u653e\u5171\u4eab\u5143\u7ec4\u63cf\u8ff0\u7b26\uff0c\u800c\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u7ee7\u7eed\u6301\u6709\u5e76\u89e3\u5f15\u7528\u5176\u5730\u5740\uff0c\u6700\u7ec8\u5728\u6570\u636e\u5e93\u670d\u52a1\u8fdb\u7a0b\u7684\u64cd\u4f5c\u7cfb\u7edf\u7528\u6237\u6743\u9650\u4e0b\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002<\/p><\/blockquote>\n<p class=\"doc-p\">\u4f5c\u4e3a\u957f\u671f\u8d1f\u8d23\u6570\u636e\u57fa\u7840\u8bbe\u65bd\u7684\u67b6\u6784\u5e08\uff0c\u6211\u5bf9\u6570\u636e\u5e93\u5185\u6838 CVE \u7684\u5224\u65ad\u6807\u51c6\u4ece\u6765\u4e0d\u662f\u300cCVSS \u5206\u6570\u9ad8\u4e0d\u9ad8\u300d\uff0c\u800c\u662f\u300c\u653b\u51fb\u524d\u7f6e\u6761\u4ef6\u662f\u5426\u5ec9\u4ef7\u300d\u4e0e\u300c\u7206\u70b8\u534a\u5f84\u662f\u5426\u8986\u76d6\u5bbf\u4e3b\u673a\u300d\u3002CVE-2026-116304 \u540c\u65f6\u8e29\u4e2d\u4e24\u6761\u7ea2\u7ebf\uff1a\u653b\u51fb\u8005\u53ea\u9700\u8981\u4e00\u4e2a\u666e\u901a\u6570\u636e\u5e93\u8d26\u53f7\uff08PR:L\uff09\uff0c\u65e0\u9700 UI \u4ea4\u4e92\uff08UI:N\uff09\uff0c\u800c\u540e\u679c\u662f OS \u7ea7\u4ee3\u7801\u6267\u884c\uff08C:H\/I:H\/A:H\uff09\u3002\u8fd9\u610f\u5473\u7740\u4e00\u4e2a\u539f\u672c\u53ea\u5e94\u8bfb\u5199\u81ea\u5df1 schema \u7684\u4e1a\u52a1\u8d26\u53f7\uff0c\u53ef\u80fd\u76f4\u63a5\u8dc3\u8fc1\u4e3a\u5bbf\u4e3b\u673a\u4e0a\u7684 postgres \u7cfb\u7edf\u7528\u6237\u3002\u672c\u6587\u4ece\u5185\u5b58\u751f\u547d\u5468\u671f\u3001\u5e76\u884c\u6267\u884c\u5668\u67b6\u6784\u3001\u8865\u4e01\u5dee\u5f02\u4e0e\u751f\u4ea7\u5e94\u6025\u56db\u4e2a\u7ef4\u5ea6\u505a\u5b8c\u6574\u62c6\u89e3\u3002<\/p>\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> PostgreSQL UAF \u6f0f\u6d1e\u89e6\u53d1\u94fe\u8def\u4e0e\u5e76\u884c Worker \u5185\u5b58\u751f\u547d\u5468\u671f\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[\"\u666e\u901a\u6570\u636e\u5e93\u7528\u6237\u8fde\u63a5 (\u4f4e\u6743\u9650\u8d26\u53f7)\"] --&gt; B[\"\u6784\u9020\u542b\u533f\u540d RECORD \u7c7b\u578b\u7684\u5e76\u884c\u67e5\u8be2\"]\n    end\n    subgraph \u89c4\u5219\u5c42 [\"\u67e5\u8be2\u89c4\u5212\u4e0e\u5e76\u884c\u8c03\u5ea6\u5c42 (Planner &amp; Parallel Scheduler Tier)\"]\n        B --&gt; C[\"\u751f\u6210\u5e76\u884c\u8ba1\u5212 (Gather \/ Parallel Worker)\"]\n        C --&gt; D[\"\u533f\u540d RECORD \u7c7b\u578b\u6807\u8bc6\u7b26\u5728 worker \u95f4\u5171\u4eab\u6ce8\u518c\"]\n    end\n    subgraph \u9886\u57df\u5c42 [\"\u6838\u5fc3\u6267\u884c\u4e0e\u5185\u5b58\u751f\u547d\u5468\u671f\u5c42 (Executor &amp; Memory Tier)\"]\n        D --&gt; E[\"Worker A \u91ca\u653e\u5171\u4eab tuple descriptor\"]\n        E --&gt; F[\"Worker B \u4ecd\u6301\u6709\u65e7\u5730\u5740\u5e76\u89e3\u5f15\u7528 (Use After Free)\"]\n        F --&gt; G[\"\u5806\u5185\u5b58\u5e03\u5c40\u88ab\u53ef\u63a7\u6570\u636e\u8986\u76d6\"]\n    end\n    subgraph \u5b58\u50a8\u5c42 [\"\u57fa\u7840\u8bbe\u65bd\u4e0e\u5bbf\u4e3b\u5c42 (Host &amp; OS Tier)\"]\n        G --&gt; H[\"\u63a7\u5236\u6d41\u52ab\u6301 \/ \u4efb\u610f\u4ee3\u7801\u6267\u884c\"]\n        H --&gt; I[(\"\u4ee5 postgres \u7cfb\u7edf\u7528\u6237\u6743\u9650\u843d\u5730\")]\n    end\n  <\/pre>\n<div class=\"doc-arch-caption\">\u56fe 1: PostgreSQL UAF \u6f0f\u6d1e\u4ece\u4f4e\u6743\u9650\u8d26\u53f7\u5230\u5bbf\u4e3b\u4ee3\u7801\u6267\u884c\u7684\u5b8c\u6574\u89e6\u53d1\u94fe\u8def\uff0c\u6838\u5fc3\u65ad\u88c2\u70b9\u5728\u4e8e\u5e76\u884c worker \u95f4\u5171\u4eab\u5143\u7ec4\u63cf\u8ff0\u7b26\u7684\u91ca\u653e\u65f6\u5e8f\u7ade\u4e89\u3002<\/div>\n<\/div>\n<h2 class=\"doc-h2\">\u4e00\u3001\u6f0f\u6d1e\u901f\u89c8\uff1aPostgreSQL UAF \u6f0f\u6d1e\u7684\u5b98\u65b9\u5b9a\u7ea7\u4e0e\u5f71\u54cd\u8fb9\u754c<\/h2>\n<p class=\"doc-p\">\u6839\u636e OSV \u4e0e Ubuntu \u5b89\u5168\u516c\u544a\uff0cCVE-2026-116304 \u7684 CVSS v3.1 \u5411\u91cf\u4e3a <code>AV:N\/AC:L\/PR:L\/UI:N\/S:U\/C:H\/I:H\/A:H<\/code>\uff0c\u7efc\u5408\u8bc4\u5206 8.8\uff08High\uff09\u3002Ubuntu \u4fa7\u5c06\u5176\u6807\u8bb0\u4e3a medium\uff0c\u8fd9\u79cd\u8bc4\u7ea7\u5dee\u5f02\u6070\u6070\u53cd\u6620\u4e86\u53d1\u884c\u7248\u89c6\u89d2\u4e0e\u4e0a\u6e38\u89c6\u89d2\u7684\u5206\u6b67\uff1aUbuntu \u8ba4\u4e3a\u9700\u8981\u6570\u636e\u5e93\u8d26\u53f7\u4f5c\u4e3a\u524d\u7f6e\u6761\u4ef6\uff0c\u800c\u4e0a\u6e38\u66f4\u5173\u6ce8\u300c\u4e00\u65e6\u83b7\u5f97\u4efb\u610f\u4f4e\u6743\u9650\u8d26\u53f7\u5373\u53ef\u63d0\u6743\u81f3 OS\u300d\u7684\u4e25\u91cd\u6027\u3002<\/p>\n<div class=\"doc-table-wrapper\">\n<table class=\"doc-table\">\n<thead>\n<tr>\n<th>\u8bc4\u4f30\u7ef4\u5ea6<\/th>\n<th>\u5b98\u65b9\u53d6\u503c<\/th>\n<th>\u67b6\u6784\u5e08\u89e3\u8bfb<\/th>\n<th>\u98ce\u9669\u5224\u5b9a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u653b\u51fb\u5411\u91cf AV<\/td>\n<td>Network<\/td>\n<td>\u901a\u8fc7\u6807\u51c6 SQL \u8fde\u63a5\u5373\u53ef\u89e6\u53d1\uff0c\u65e0\u9700\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u8bbf\u95ee<\/td>\n<td><span class=\"badge-tag-green\">\u8fdc\u7a0b\u53ef\u8fbe<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u653b\u51fb\u590d\u6742\u5ea6 AC<\/td>\n<td>Low<\/td>\n<td>\u65e0\u9700\u590d\u6742\u7ade\u6001\u7a97\u53e3\u8c03\u4f18\uff0c\u5e76\u884c\u8ba1\u5212\u672c\u8eab\u5373\u63d0\u4f9b\u8c03\u5ea6\u673a\u4f1a<\/td>\n<td><span class=\"badge-tag-green\">\u6613\u590d\u73b0<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u6240\u9700\u6743\u9650 PR<\/td>\n<td>Low<\/td>\n<td>\u4efb\u610f\u53ef\u767b\u5f55\u7684\u6570\u636e\u5e93\u8d26\u53f7\uff0c\u4e1a\u52a1\u53ea\u8bfb\u8d26\u53f7\u4ea6\u6ee1\u8db3<\/td>\n<td><span class=\"badge-tag-green\">\u95e8\u69db\u6781\u4f4e<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u7528\u6237\u4ea4\u4e92 UI<\/td>\n<td>None<\/td>\n<td>\u65e0\u9700\u7ba1\u7406\u5458\u70b9\u51fb\u6216\u914d\u7f6e\u53d8\u66f4<\/td>\n<td><span class=\"badge-tag-green\">\u9759\u9ed8\u89e6\u53d1<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u673a\u5bc6\/\u5b8c\u6574\/\u53ef\u7528\u6027<\/td>\n<td>H\/H\/H<\/td>\n<td>\u53ef\u8bfb\u53d6\u5bbf\u4e3b\u6587\u4ef6\u3001\u7be1\u6539\u6570\u636e\u3001\u7834\u574f\u670d\u52a1<\/td>\n<td><span class=\"badge-tag-green\">\u7206\u70b8\u534a\u5f84\u5927<\/span><\/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\u56e0\u4e3a Ubuntu \u6807\u6ce8\u4e3a medium \u5c31\u964d\u4f4e\u5904\u7f6e\u4f18\u5148\u7ea7\u3002\u5728\u591a\u79df\u6237 SaaS\u3001PaaS \u6570\u636e\u5e93\u670d\u52a1\u6216\u5b58\u5728\u5f31\u53e3\u4ee4\/\u5171\u4eab\u8d26\u53f7\u7684\u73af\u5883\u4e2d\uff0cPR:L \u51e0\u4e4e\u7b49\u4ef7\u4e8e PR:N\uff0c\u5b9e\u9645\u98ce\u9669\u5e94\u4ee5\u4e0a\u6e38 CVSS 8.8 \u4e3a\u51c6\u3002<\/p><\/div>\n<h2 class=\"doc-h2\">\u4e8c\u3001\u53d7\u5f71\u54cd\u7248\u672c\u77e9\u9635\u4e0e\u5347\u7ea7\u76ee\u6807\u7248\u672c<\/h2>\n<p class=\"doc-p\">\u6f0f\u6d1e\u5f71\u54cd PostgreSQL 14 \u81f3 18 \u7684\u5168\u90e8\u4e3b\u7ebf\u7248\u672c\uff0c\u4fee\u590d\u7248\u672c\u5df2\u968f 2026 \u5e74 11 \u6708\u7684\u5c0f\u7248\u672c\u53d1\u5e03\u540c\u6b65\u4e0a\u7ebf\u3002\u67b6\u6784\u5e08\u5728\u5236\u5b9a\u5347\u7ea7\u7a97\u53e3\u65f6\uff0c\u9700\u8981\u540c\u65f6\u6838\u5bf9\u4e0a\u6e38\u7248\u672c\u53f7\u4e0e\u53d1\u884c\u7248\u5305\u7248\u672c\u53f7\uff0c\u907f\u514d\u51fa\u73b0\u300c\u4ee5\u4e3a\u5347\u4e86\u5176\u5b9e\u6ca1\u5347\u300d\u7684\u7ecf\u5178\u4e8b\u6545\u3002<\/p>\n<div class=\"doc-table-wrapper\">\n<table class=\"doc-table\">\n<thead>\n<tr>\n<th>\u4e3b\u7ebf\u7248\u672c<\/th>\n<th>\u53d7\u5f71\u54cd\u8303\u56f4<\/th>\n<th>\u4fee\u590d\u7248\u672c<\/th>\n<th>Ubuntu 20.04 \u5305\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>PostgreSQL 18<\/td>\n<td>&lt; 18.7<\/td>\n<td>18.7<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>PostgreSQL 17<\/td>\n<td>&lt; 17.12<\/td>\n<td>17.12<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>PostgreSQL 16<\/td>\n<td>&lt; 16.16<\/td>\n<td>16.16<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>PostgreSQL 15<\/td>\n<td>&lt; 15.20<\/td>\n<td>15.20<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>PostgreSQL 14<\/td>\n<td>&lt; 14.25<\/td>\n<td>14.25<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>PostgreSQL 12 (Focal)<\/td>\n<td>12.0-1 \u81f3 12.22-0ubuntu0.20.04.4<\/td>\n<td>\u53d1\u884c\u7248\u4fee\u590d\u5305<\/td>\n<td>postgresql-12<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"doc-p\">\u9700\u8981\u7279\u522b\u6ce8\u610f\u7684\u662f\uff0cUbuntu 20.04 LTS \u4e0a\u7684 postgresql-12 \u5c5e\u4e8e\u793e\u533a\u5df2\u505c\u6b62\u4e3b\u7ebf\u652f\u6301\u7684\u7248\u672c\uff0c\u5176\u4fee\u590d\u4f9d\u8d56 Canonical \u7684\u6269\u5c55\u5b89\u5168\u7ef4\u62a4\u3002\u82e5\u4f60\u7684\u751f\u4ea7\u73af\u5883\u4ecd\u505c\u7559\u5728 12.x\uff0c\u8fd9\u672c\u8eab\u5c31\u662f\u4e00\u6b21\u67b6\u6784\u5c42\u9762\u7684\u6280\u672f\u503a\u6e05\u7b97\u4fe1\u53f7\u2014\u2014\u5efa\u8bae\u501f\u6b64\u6b21\u5e94\u6025\u7a97\u53e3\u76f4\u63a5\u89c4\u5212\u5230 16 \u6216 17 \u7684\u8de8\u5927\u7248\u672c\u8fc1\u79fb\u3002<\/p>\n<h2 class=\"doc-h2\">\u4e09\u3001\u6839\u56e0\u5256\u6790\uff1a\u533f\u540d RECORD \u7c7b\u578b\u6807\u8bc6\u7b26\u5728\u5e76\u884c Worker \u95f4\u7684\u534f\u8c03\u7f3a\u9677<\/h2>\n<h3 class=\"doc-h3\">3.1 \u4ec0\u4e48\u662f\u533f\u540d RECORD \u7c7b\u578b<\/h3>\n<p class=\"doc-p\">\u5728 PostgreSQL \u4e2d\uff0c<code>RECORD<\/code> \u662f\u4e00\u79cd\u4f2a\u7c7b\u578b\uff0c\u7528\u4e8e\u8868\u793a\u300c\u8fd0\u884c\u65f6\u624d\u786e\u5b9a\u7ed3\u6784\u300d\u7684\u884c\u503c\u3002\u5f53\u67e5\u8be2\u4e2d\u51fa\u73b0 <code>ROW(1, 'a')<\/code>\u3001\u5b50\u67e5\u8be2\u8fd4\u56de\u591a\u5217\u3001\u6216 <code>SELECT * FROM (VALUES ...)<\/code> \u8fd9\u7c7b\u7ed3\u6784\u65f6\uff0c\u6267\u884c\u5668\u4f1a\u4e3a\u7ed3\u679c\u6784\u9020\u533f\u540d\u7684 tuple descriptor\uff08\u5143\u7ec4\u63cf\u8ff0\u7b26\uff09\u3002\u8fd9\u4e9b\u63cf\u8ff0\u7b26\u5728\u5e76\u884c\u67e5\u8be2\u573a\u666f\u4e0b\u9700\u8981\u88ab\u591a\u4e2a worker \u8fdb\u7a0b\u5171\u4eab\uff0c\u56e0\u6b64\u5176\u6807\u8bc6\u7b26\u4e0e\u5185\u5b58\u5730\u5740\u9700\u8981\u5728\u5171\u4eab\u5185\u5b58\u6216 DSM\uff08Dynamic Shared Memory\uff09\u6bb5\u4e2d\u534f\u8c03\u3002<\/p>\n<h3 class=\"doc-h3\">3.2 UAF \u7684\u7cbe\u786e\u89e6\u53d1\u65f6\u5e8f<\/h3>\n<p class=\"doc-p\">\u6f0f\u6d1e\u7684\u672c\u8d28\u662f\u300c\u6240\u6709\u6743\u8bed\u4e49\u7f3a\u5931\u300d\uff1a\u5f53\u591a\u4e2a\u5e76\u884c worker \u5f15\u7528\u540c\u4e00\u4e2a\u533f\u540d RECORD \u7c7b\u578b\u6807\u8bc6\u7b26\u65f6\uff0c\u7cfb\u7edf\u6ca1\u6709\u660e\u786e\u7684\u5f15\u7528\u8ba1\u6570\u6216\u751f\u547d\u5468\u671f\u4ef2\u88c1\u673a\u5236\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u6784\u9020\u4e00\u4e2a\u67e5\u8be2\uff0c\u4f7f\u5f97 Worker A \u5728\u5b8c\u6210\u81ea\u5df1\u7684\u5206\u7247\u540e\u91ca\u653e\u5171\u4eab tuple descriptor\uff0c\u800c Worker B \u4ecd\u6301\u6709\u8be5\u63cf\u8ff0\u7b26\u7684\u5730\u5740\u6307\u9488\u5e76\u5728\u540e\u7eed\u5143\u7ec4\u5904\u7406\u4e2d\u89e3\u5f15\u7528\u3002\u6b64\u65f6\u8be5\u5185\u5b58\u5757\u53ef\u80fd\u5df2\u88ab\u91cd\u65b0\u5206\u914d\u5e76\u586b\u5145\u653b\u51fb\u8005\u53ef\u63a7\u7684\u6570\u636e\uff0c\u4ece\u800c\u5f62\u6210\u5178\u578b\u7684\u91ca\u653e\u540e\u4f7f\u7528\uff08Use After Free\uff09\u3002<\/p>\n<ul class=\"doc-list\">\n<li><strong>\u91ca\u653e\u9636\u6bb5\uff1a<\/strong>Worker A \u8ba4\u4e3a\u533f\u540d RECORD \u63cf\u8ff0\u7b26\u4ec5\u5c5e\u4e8e\u81ea\u5df1\uff0c\u8c03\u7528\u91ca\u653e\u903b\u8f91\u5f52\u8fd8\u5171\u4eab\u5185\u5b58\u3002<\/li>\n<li><strong>\u60ac\u5782\u9636\u6bb5\uff1a<\/strong>Worker B \u7684\u672c\u5730\u7f13\u5b58\u4ecd\u4fdd\u5b58\u65e7\u5730\u5740\uff0c\u672a\u611f\u77e5\u91ca\u653e\u4e8b\u4ef6\u3002<\/li>\n<li><strong>\u91cd\u7528\u9636\u6bb5\uff1a<\/strong>\u653b\u51fb\u8005\u901a\u8fc7\u5e76\u884c\u67e5\u8be2\u7684\u5176\u4ed6\u5185\u5b58\u5206\u914d\u8def\u5f84\uff0c\u5c06\u53ef\u63a7\u6570\u636e\u5e03\u5c40\u5230\u540c\u4e00\u5730\u5740\u3002<\/li>\n<li><strong>\u52ab\u6301\u9636\u6bb5\uff1a<\/strong>Worker B \u89e3\u5f15\u7528\u88ab\u6c61\u67d3\u7684\u63cf\u8ff0\u7b26\uff0c\u51fd\u6570\u6307\u9488\u6216\u957f\u5ea6\u5b57\u6bb5\u88ab\u7be1\u6539\uff0c\u63a7\u5236\u6d41\u504f\u79fb\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>\u8fd9\u7c7b\u7f3a\u9677\u65e0\u6cd5\u901a\u8fc7 SQL \u5c42\u6743\u9650\u6a21\u578b\u9632\u5fa1\uff0c\u56e0\u4e3a\u5b83\u53d1\u751f\u5728\u6267\u884c\u5668\u5185\u5b58\u7ba1\u7406\u5c42\uff0c\u4f4d\u4e8e\u6240\u6709\u884c\u7ea7\u5b89\u5168\uff08RLS\uff09\u4e0e\u5217\u7ea7\u6743\u9650\u4e4b\u4e0b\u3002\u552f\u4e00\u53ef\u9760\u7684\u9632\u7ebf\u662f\u7248\u672c\u5347\u7ea7\uff0c\u4efb\u4f55\u300c\u52a0\u6743\u9650\u3001\u6539\u914d\u7f6e\u300d\u7684\u601d\u8def\u90fd\u53ea\u662f\u964d\u4f4e\u89e6\u53d1\u6982\u7387\u800c\u975e\u6d88\u9664\u3002<\/p><\/div>\n<h2 class=\"doc-h2\">\u56db\u3001\u8865\u4e01\u903b\u8f91\u4e0e\u4e0a\u6e38\u4fee\u590d\u601d\u8def<\/h2>\n<p class=\"doc-p\">\u4e0a\u6e38\u5728 18.7 \/ 17.12 \/ 16.16 \/ 15.20 \/ 14.25 \u4e2d\u540c\u6b65\u4fee\u590d\u4e86\u8be5\u95ee\u9898\u3002\u4ece\u516c\u5f00\u7684\u53d1\u5e03\u8bf4\u660e\u4e0e\u5b89\u5168\u9875\u9762\u63a8\u65ad\uff0c\u4fee\u590d\u65b9\u5411\u96c6\u4e2d\u5728\u4e3a\u533f\u540d RECORD \u7c7b\u578b\u6807\u8bc6\u7b26\u5f15\u5165\u660e\u786e\u7684\u751f\u547d\u5468\u671f\u4ef2\u88c1\uff1a\u8981\u4e48\u5728\u5e76\u884c worker \u95f4\u5efa\u7acb\u5f15\u7528\u8ba1\u6570\uff0c\u8981\u4e48\u5c06\u63cf\u8ff0\u7b26\u7684\u6240\u6709\u6743\u6536\u655b\u5230 leader \u8fdb\u7a0b\u7edf\u4e00\u7ba1\u7406\uff0cworker \u4ec5\u6301\u6709\u4e0d\u53ef\u91ca\u653e\u7684\u53ea\u8bfb\u5f15\u7528\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-title=\"\u5347\u7ea7\u4e0e\u7248\u672c\u6838\u9a8c\u547d\u4ee4\"># 1. \u6838\u9a8c\u5f53\u524d\u8fd0\u884c\u7248\u672c\npsql -c \"SELECT version();\"\n\n# 2. Ubuntu\/Debian \u7cfb\u5347\u7ea7\uff08\u4ee5 PostgreSQL 16 \u4e3a\u4f8b\uff09\nsudo apt update\nsudo apt install --only-upgrade postgresql-16 postgresql-client-16\n\n# 3. \u6838\u9a8c\u5305\u7248\u672c\u662f\u5426\u8fbe\u5230\u4fee\u590d\u7ebf\napt-cache policy postgresql-16 | grep Installed\n\n# 4. \u91cd\u542f\u670d\u52a1\u4f7f\u65b0\u4e8c\u8fdb\u5236\u751f\u6548\uff08\u5c0f\u7248\u672c\u5347\u7ea7\u901a\u5e38\u65e0\u9700 initdb\uff09\nsudo systemctl restart postgresql\n\n# 5. \u5347\u7ea7\u540e\u5065\u5eb7\u68c0\u67e5\npsql -c \"SELECT count(*) FROM pg_stat_activity;\"<\/pre>\n<div class=\"baota-config-bar\"><span>parallel_leader_participation = off<\/span><span class=\"lang-tag\">INI<\/span><\/div>\n<p class=\"doc-p\">\u4e0a\u8ff0\u53c2\u6570\u662f\u4e34\u65f6\u7f13\u89e3\u624b\u6bb5\u4e4b\u4e00\uff1a\u5173\u95ed leader \u53c2\u4e0e\u5e76\u884c\u6267\u884c\u53ef\u4ee5\u6539\u53d8 worker \u8c03\u5ea6\u62d3\u6251\uff0c\u964d\u4f4e\u7279\u5b9a\u7ade\u6001\u7a97\u53e3\u7684\u53ef\u5229\u7528\u6027\uff0c\u4f46\u5b83<strong>\u4e0d\u80fd\u66ff\u4ee3\u5347\u7ea7<\/strong>\uff0c\u4ec5\u9002\u7528\u4e8e\u65e0\u6cd5\u7acb\u5373\u91cd\u542f\u7684\u7d27\u6025\u7a97\u53e3\u671f\u3002<\/p>\n<details class=\"doc-accordion\">\n<summary>\u70b9\u51fb\u5c55\u5f00\uff1a\u65e0\u6cd5\u7acb\u5373\u5347\u7ea7\u65f6\u7684\u4e34\u65f6\u7f13\u89e3\u811a\u672c\u4e0e\u56de\u6eda\u9884\u6848<\/summary>\n<div class=\"doc-accordion-content\">\n<pre><code class=\"language-bash\"># \u4e34\u65f6\u7f13\u89e3\uff1a\u5168\u5c40\u5173\u95ed\u5e76\u884c\u67e5\u8be2\uff08\u6027\u80fd\u6709\u635f\uff0c\u4ec5\u5e94\u6025\uff09\npsql -c \"ALTER SYSTEM SET max_parallel_workers_per_gather = 0;\"\npsql -c \"SELECT pg_reload_conf();\"\n\n# \u6536\u7d27\u8d26\u53f7\u6743\u9650\uff1a\u56de\u6536\u975e\u5fc5\u8981\u8d26\u53f7\u7684 LOGIN \u4e0e\u67e5\u8be2\u6743\u9650\npsql -c \"REVOKE CREATE ON SCHEMA public FROM PUBLIC;\"\n\n# \u5ba1\u8ba1\u8fd1\u671f\u5f02\u5e38\u5e76\u884c\u67e5\u8be2\uff08\u9700\u5f00\u542f pg_stat_statements\uff09\npsql -c \"SELECT query, calls FROM pg_stat_statements WHERE query ILIKE '%RECORD%' ORDER BY calls DESC LIMIT 20;\"\n\n# \u56de\u6eda\uff1a\u6062\u590d\u5e76\u884c\u914d\u7f6e\npsql -c \"ALTER SYSTEM RESET max_parallel_workers_per_gather;\"\npsql -c \"SELECT pg_reload_conf();\"<\/code><\/pre>\n<\/div>\n<\/details>\n<h2 class=\"doc-h2\">\u4e94\u3001\u751f\u4ea7\u73af\u5883\u5e94\u6025\u54cd\u5e94 SOP<\/h2>\n<p class=\"doc-p\">\u9488\u5bf9 PostgreSQL UAF \u6f0f\u6d1e\uff0c\u6211\u5efa\u8bae\u6309\u300c\u8d44\u4ea7\u76d8\u70b9 \u2192 \u98ce\u9669\u5206\u7ea7 \u2192 \u5347\u7ea7\u6267\u884c \u2192 \u9a8c\u8bc1\u95ed\u73af\u300d\u56db\u6b65\u63a8\u8fdb\uff0c\u5e76\u5728\u6bcf\u4e2a\u9636\u6bb5\u7559\u4e0b\u53ef\u5ba1\u8ba1\u7684\u8bc1\u636e\u94fe\u3002<\/p>\n<ul class=\"doc-list\">\n<li><strong>\u8d44\u4ea7\u76d8\u70b9\uff1a<\/strong>\u626b\u63cf\u6240\u6709\u5b9e\u4f8b\u7684 <code>version()<\/code> \u8f93\u51fa\uff0c\u5efa\u7acb\u7248\u672c\u4e0e\u4e1a\u52a1\u5f52\u5c5e\u6620\u5c04\uff0c\u91cd\u70b9\u6807\u8bb0\u591a\u79df\u6237\u4e0e\u5bf9\u5916\u66b4\u9732\u7684\u5b9e\u4f8b\u3002<\/li>\n<li><strong>\u98ce\u9669\u5206\u7ea7\uff1a<\/strong>\u5b58\u5728\u5f31\u53e3\u4ee4\u3001\u5171\u4eab\u8d26\u53f7\u3001PaaS \u81ea\u52a9\u5f00\u901a\u80fd\u529b\u7684\u5b9e\u4f8b\u5217\u4e3a P0\uff0c24 \u5c0f\u65f6\u5185\u5b8c\u6210\u5347\u7ea7\u3002<\/li>\n<li><strong>\u5347\u7ea7\u6267\u884c\uff1a<\/strong>\u4f18\u5148\u91c7\u7528\u6eda\u52a8\u5347\u7ea7\uff0c\u4e3b\u5907\u5207\u6362\u9a8c\u8bc1\u540e\u518d\u5347\u7ea7\u539f\u4e3b\u5e93\uff0c\u907f\u514d\u5355\u70b9\u4e2d\u65ad\u3002<\/li>\n<li><strong>\u9a8c\u8bc1\u95ed\u73af\uff1a<\/strong>\u5347\u7ea7\u540e\u590d\u6838\u5305\u7248\u672c\u3001\u6267\u884c\u5e76\u884c\u67e5\u8be2\u5192\u70df\u6d4b\u8bd5\u3001\u68c0\u67e5\u9519\u8bef\u65e5\u5fd7\u4e2d\u662f\u5426\u6709\u5f02\u5e38\u5d29\u6e83\u6216\u6bb5\u9519\u8bef\u3002<\/li>\n<\/ul>\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>\u82e5\u5b9e\u4f8b\u65e5\u5fd7\u4e2d\u51fa\u73b0 <code>segmentation fault<\/code>\u3001<code>server process was terminated by signal 11<\/code> \u4e14\u4f34\u968f\u5e76\u884c\u67e5\u8be2\uff0c\u9700\u9ad8\u5ea6\u6000\u7591\u5df2\u88ab\u5c1d\u8bd5\u5229\u7528\u3002\u6b64\u65f6\u5e94\u7acb\u5373\u9694\u79bb\u5b9e\u4f8b\u3001\u4fdd\u5168\u5185\u5b58\u8f6c\u50a8\u4e0e\u65e5\u5fd7\uff0c\u5e76\u6309\u5165\u4fb5\u4e8b\u4ef6\u800c\u975e\u666e\u901a\u6545\u969c\u5904\u7f6e\u3002<\/div>\n<h2 class=\"doc-h2\">\u516d\u3001\u957f\u671f\u67b6\u6784\u542f\u793a\uff1a\u628a\u6570\u636e\u5e93\u5185\u6838 CVE \u7eb3\u5165 SLO \u6cbb\u7406<\/h2>\n<p class=\"doc-p\">\u8fd9\u6b21 PostgreSQL UAF \u6f0f\u6d1e\u518d\u6b21\u63d0\u9192\u6211\u4eec\uff1a\u6570\u636e\u5e93\u4e0d\u662f\u300c\u88c5\u597d\u5c31\u4e0d\u52a8\u300d\u7684\u57fa\u7840\u8bbe\u65bd\uff0c\u800c\u662f\u6301\u7eed\u6f14\u8fdb\u3001\u6301\u7eed\u66b4\u9732\u653b\u51fb\u9762\u7684\u6838\u5fc3\u7ec4\u4ef6\u3002\u6210\u719f\u7684\u56e2\u961f\u5e94\u5f53\u628a\u5185\u6838\u5b89\u5168\u8865\u4e01\u7eb3\u5165\u4e0e\u4e1a\u52a1\u670d\u52a1\u540c\u7b49\u7ea7\u7684 SLO \u6cbb\u7406\u2014\u2014\u8bbe\u5b9a\u9ad8\u5371 CVE \u7684\u4fee\u590d\u65f6\u9650\uff08\u5982 P0 24 \u5c0f\u65f6\u3001P1 7 \u5929\uff09\uff0c\u5e76\u901a\u8fc7\u81ea\u52a8\u5316\u6d41\u6c34\u7ebf\u628a\u7248\u672c\u6838\u9a8c\u3001\u7070\u5ea6\u5347\u7ea7\u3001\u56de\u6eda\u6f14\u7ec3\u56fa\u5316\u4e3a\u53ef\u91cd\u590d\u6267\u884c\u7684\u5de5\u7a0b\u80fd\u529b\uff0c\u800c\u4e0d\u662f\u6bcf\u6b21\u9760\u4eba\u5de5\u6551\u706b\u3002<\/p>\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\/security\/\">\u6d4f\u89c8\u66f4\u591a\u3010\u5b89\u5168\u6f0f\u6d1e\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\/12\/pulsemate-security-5857654d153c45b39f546a6fc96c6428946e9a73d33a683cc31dd771f0bc7c36\/\">Telerik WPF \u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u6df1\u5ea6\u5e94\u6025\u54cd\u5e94\uff1aCVE-2026-124704 \u653b\u51fb\u94fe\u89e3\u6784\u4e0e .NET \u5ba2\u6237\u7aef\u52a0\u56fa\u5b9e\u6218<\/a><\/li>\n<li><strong>\u63a8\u8350\u6df1\u5ea6\u9605\u8bfb\uff1a<\/strong><a href=\"https:\/\/btc354.com\/index.php\/2026\/11\/13\/pulsemate-security-9c395d78b358b261ec287dbb756f51cd05683ba6504c7179b2a716b9d28acecc\/\">Coder \u8d8a\u6743\u6f0f\u6d1e\u6df1\u5ea6\u5e94\u6025\u54cd\u5e94\uff1aCVE-2026-126403 \u6388\u6743\u6a21\u578b\u7f3a\u9677\u5bfc\u81f4 SSH \u79c1\u94a5\u4e0e OAuth \u4ee4\u724c\u6cc4\u9732<\/a><\/li>\n<li><strong>\u5168\u7ad9\u6280\u672f\u5f52\u6863\uff1a<\/strong><a href=\"https:\/\/btc354.com\/\">\u8fd4\u56de \u4e2a\u4eba\u5b66\u4e60\u7ad9\u70b9 \u9996\u9875\u63a2\u7d22\u66f4\u591a\u6280\u672f\u524d\u6cbf<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"doc-ref-box\">\n  <strong>\u539f\u6587\u51fa\u5904\u4e0e\u6743\u5a01\u6eaf\u6e90\u58f0\u660e\uff1a<\/strong><br \/>\n  \u672c\u6587\u6838\u5fc3\u6280\u672f\u80cc\u666f\u6e90\u81ea\u6d77\u5916\u4e00\u7ebf\u5b89\u5168\u60c5\u62a5\u4e0e\u4e0a\u6e38\u516c\u544a\uff1a<br \/>\n  <a href=\"https:\/\/osv.dev\/vulnerability\/UBUNTU-CVE-2026-116304\" target=\"_blank\" rel=\"noopener noreferrer\">OSV &#8211; UBUNTU-CVE-2026-116304 (Open Source Vulnerabilities)<\/a><br \/>\n  <a href=\"https:\/\/www.postgresql.org\/support\/security\/CVE-2026-116304\/\" target=\"_blank\" rel=\"noopener noreferrer\">PostgreSQL \u5b98\u65b9\u5b89\u5168\u9875\u9762 CVE-2026-116304<\/a>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5ea6\u5256\u6790 PostgreSQL UAF \u6f0f\u6d1e CVE-2026-116304\uff1a\u5e76\u884c worker \u533f\u540d RECORD \u7c7b\u578b\u6807\u8bc6\u7b26\u534f\u8c03\u7f3a\u9677\u5bfc\u81f4\u5171\u4eab\u5143\u7ec4\u63cf\u8ff0\u7b26\u88ab\u63d0\u524d\u91ca\u653e\uff0c\u666e\u901a\u6570\u636e\u5e93\u7528\u6237\u53ef\u501f\u6b64\u5b9e\u73b0 OS \u7ea7\u4efb\u610f\u4ee3\u7801\u6267\u884c\u3002\u672c\u6587\u4ece\u5185\u5b58\u751f\u547d\u5468\u671f\u3001\u5e76\u884c\u6267\u884c\u5668\u67b6\u6784\u3001\u8865\u4e01\u5dee\u5f02\u5230\u751f\u4ea7\u73af\u5883\u5e94\u6025\u5347\u7ea7\u4e0e\u4e34\u65f6\u7f13\u89e3\u7b56\u7565\uff0c\u7ed9\u51fa\u5b8c\u6574\u5de5\u7a0b\u843d\u5730\u6307\u5357\u3002<\/p>\n","protected":false},"author":2,"featured_media":1068,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[424],"tags":[623,86,624,275,519,372],"class_list":["post-1067","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-security","tag-cve-2026-116304","tag-postgresql","tag-624","tag-275","tag-519","tag-372"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PostgreSQL UAF 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name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/btc354.com\/index.php\/2026\/11\/14\/pulsemate-security-80efdcbc6855ed3354f0c06d9a2802269156d14950818578dba786a1e5fc01e2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PostgreSQL UAF \u6f0f\u6d1e\u6df1\u5ea6\u5e94\u6025\u54cd\u5e94\uff1aCVE-2026-116304 \u5e76\u884c Worker \u533f\u540d RECORD \u7c7b\u578b\u91ca\u653e\u5bfc\u81f4\u7684\u4efb\u610f\u4ee3\u7801\u6267\u884c\u94fe\u5256\u6790 - \u4e2a\u4eba\u5b66\u4e60\u7ad9\u70b9\" \/>\n<meta property=\"og:description\" content=\"\u6df1\u5ea6\u5256\u6790 PostgreSQL UAF \u6f0f\u6d1e CVE-2026-116304\uff1a\u5e76\u884c worker \u533f\u540d RECORD 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