POJIA破甲
地图 / Occasional use-after-free in multi_done() libcurl-7.81.0

Occasional use-after-free in multi_done() libcurl-7.81.0

内存破坏 / 释放后使用 / #1463013

厂商
curl
严重程度
低危
赏金
—
弱点
释放后使用
研究员
@luminixaaron
披露日期
2022-03-09
资产
https://github.com/curl/curl
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(1399 字符中的一小部分)
We are seeing the use of a `struct connectdata *` on a thread after it was returned to the connection cache (and thus available for use on other threads including potential deallocation) in `multi_done()` in libcurl-7.81.0. This could occasionally result in an actual use-after-free, witnessed on …

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 @luminixaaron · 版权归作者与 curl 所有

同类报告

Use-After-Free In IPV6_2292PKTOPTIONS leading To Arbitrary Kernel R/W PrimitivesPlayStation · 2020-07-06 · $10,000sys_fsc2h_ctrl kernel stack freePlayStation · 2025-04-18 · $10,000Use-after-free in setsockopt IPV6_2292PKTOPTIONS (CVE-2020-7457)PlayStation · 2022-09-20 · $10,000CVE-2021-22901: TLS session caching disastercurl · 2021-05-26Old WebKit HTML agent in Template Preview function has multiple known vulnerabilities leading to RCELob · — · $1,500Use-After-Free in SMB connection reuse (req->path dangling pointer after needle destruction)curl · 2026-04-29