CVE-2024-2965— LangChain 资源管理错误漏洞

Denial-of-Service in LangChain SitemapLoader in langchain-ai/langchain

A Denial-of-Service (DoS) vulnerability exists in the `SitemapLoader` class of the `langchain-ai/langchain` repository, affecting all versions. The `parse_sitemap` method, responsible for parsing sitemaps and extracting URLs, lacks a mechanism to prevent infinite recursion when a sitemap URL refers to the current sitemap itself. This oversight allows for the possibility of an infinite loop, leading to a crash by exceeding the maximum recursion depth in Python. This vulnerability can be exploited to occupy server socket/port resources and crash the Python process, impacting the availability of services relying on this functionality.

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未经控制的递归

LangChain 资源管理错误漏洞

LangChain是通过可组合性使用 LLM 构建应用程序。 LangChain 存在资源管理错误漏洞，该漏洞源于负责解析站点地图和提取 URL 的 parse_sitemap 方法缺少一种机制来防止站点地图 URL 引用当前站点地图本身时出现无限递归。

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