CVE-2026-111952: OpenSSL provider use-after-free again
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原文摘录
摘自原文（7868 字符中的一小部分）
Since 8.23.0, libcurl caches its OpenSSL certificate store per multi handle even when `CURLOPT_CAPATH` is set. OpenSSL loads CApath certificates lazily during verification, and they belong to the library context of the transfer that loaded them. With `CURLOPT_SSLENGINE` that is a private …
原文中的代码
# [2] forged leaves only, provider on both transfers curl --parallel --parallel-max 1 --engine default --capath capath \ https://127.0.0.1:8444/ https://localhost:8444/ # [4] provider on the first transfer only; the second leaf carries an # unknown extension (OID 1.2.3.4) with 327 bytes of …
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时间线
- 报告提交
- 公开披露
阅读 HackerOne 原文 ↗作者 @moltenbit · 版权归作者与 curl 所有