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地图 / CVE-2026-3805: use after free in SMB connection reuse

CVE-2026-3805: use after free in SMB connection reuse

内存破坏 / 释放后使用 / #3591944

厂商
curl
严重程度
低危
赏金
—
弱点
释放后使用
研究员
@rat5ak
披露日期
2026-03-11
资产
https://github.com/curl/curl
CVE
CVE-2026-3805

该报告还没有中文解读。

原文摘录

摘自原文(2553 字符中的一小部分)
A heap-use-after-free occurs in `smb_send_open()` at `lib/smb.c` when curl processes two SMB URLs targeting the same host. The function `smb_parse_url_path()` sets `req->path` as a non-owning pointer into `smbc->share` (connection-owned memory). During connection reuse, the needle connection is …

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 @rat5ak · 版权归作者与 curl 所有

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