漏洞信息
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Vulnerability Title
pypdf: Possible long runtimes/large memory usage when retrieving outlines
Vulnerability Description
pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/_doc_common.py _get_outline to consume long runtimes and large amounts of memory when retrieving document outlines with large numbers of entries or deeply nested reused paths because the traversal lacked global entry-count and nesting-depth limits. This issue is fixed in version 6.16.1.
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Vulnerability Type
不对称的资源消耗(放大攻击)
Vulnerability Title
pypdf 资源管理错误漏洞
Vulnerability Description
py-pdf pypdf是py-pdf组织开源的一款PDF文档处理组件。 pypdf 6.16.1之前版本存在资源管理错误漏洞,该漏洞源于pypdf/_doc_common.py _get_outline在检索文档大纲时缺乏全局条目计数和嵌套深度限制,攻击者可通过制作特制PDF导致消耗大量时间和内存。
CVSS Information
N/A
Vulnerability Type
N/A