漏洞信息
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Vulnerability Title
Quadratic runtime with malformed PDF missing xref marker in pypdf
Vulnerability Description
pypdf is a pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files. An attacker who uses this vulnerability can craft a PDF which leads to unexpected long runtime. This quadratic runtime blocks the current process and can utilize a single core of the CPU by 100%. It does not affect memory usage. This issue has been addressed in PR 808 and versions from 1.27.9 include this fix. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
算法复杂性
Vulnerability Title
pypdf 安全漏洞
Vulnerability Description
PyPDF2是一个免费的开源纯 python PDF 库。能够拆分、 合并、 裁剪和转换 PDF 文件的页面。 pypdf 1.27.9之前版本存在安全漏洞,该漏洞源于攻击者可以制PDF导致意外的长时间运行,会阻塞进程。
CVSS Information
N/A
Vulnerability Type
N/A