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地图 / CVE-2026-11586 fix is incomplete: auto-PONG memory grows without limit through curl_ws_recv() (CONNECT_ONLY)

CVE-2026-11586 fix is incomplete: auto-PONG memory grows without limit through curl_ws_recv() (CONNECT_ONLY)

拒绝服务 / Allocation of Resources Without Limits or Throttling / #4123050

厂商
curl
严重程度
低危
赏金
—
弱点
Allocation of Resources Without Limits or Throttling
研究员
@sujitjaunjal
披露日期
2026-10-21
资产
https://github.com/curl/curl
CVE
CVE-2026-11586

该报告还没有中文解读。

原文摘录

摘自原文(7727 字符中的一小部分)
Summary: The CVE-2026-11586 fix (849317ff5c, "ws: make pong sending lazy") adds the automatic PONG only when the WebSocket send buffer has room, but it put that check in ws_flush() (lib/ws.c:1712). curl_ws_recv(), the receive call of the documented CONNECT_ONLY model, still calls …
原文中的代码
curl 8.23.0-DEV (Linux) libcurl/8.23.0-DEV OpenSSL/3.0.22 zlib/1.2.13
curl 8.23.1-DEV (Linux) libcurl/8.23.1-DEV OpenSSL/3.0.22 zlib/1.2.13   (master 629646d9b7)
curl 8.23.0-DEV (Darwin) libcurl/8.23.0-DEV OpenSSL/3.6.4 zlib/1.2.12
curl 8.21.0-DEV (Darwin) libcurl/8.21.0-DEV zlib/1.2.12 …

默认不展示报告全文。以上为简短摘录,完整复现过程请阅读原文。版权归研究员与 curl 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @sujitjaunjal · 版权归作者与 curl 所有

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