地图 / 55: Heap-buffer-overflow read in `curl_formadd_ccsid()` with binary form data

55: Heap-buffer-overflow read in `curl_formadd_ccsid()` with binary form data

内存破坏 / 越界读 / #3973245

厂商: curl
严重程度: 未评级
赏金: —
弱点: 越界读
研究员: @giant_anteater
披露日期: 2026-09-10
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（5678 字符中的一小部分）

`curl_formadd_ccsid()` in `projects/OS400/ccsidcurl.c` performs a heap-buffer-overflow read when `CURLFORM_CONTENTTYPE` appears before an explicit length (`CURLFORM_CONTENTLEN` / `CURLFORM_CONTENTSLENGTH`) for binary `CURLFORM_COPYCONTENTS` data containing embedded NUL bytes. The overread bytes are …

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

2026-08-27报告提交
2026-09-10公开披露

阅读 HackerOne 原文 ↗作者 @giant_anteater · 版权归作者与 curl 所有

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55: Heap-buffer-overflow read in `curl_formadd_ccsid()` with binary form data · 破甲 POJIA