漏洞信息
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Vulnerability Title
Infinite Loop when a comment isn't followed by a character in pypdf
Vulnerability Description
pypdf is an open source, pure-python PDF library. In affected versions an attacker may craft a PDF which leads to an infinite loop if `__parse_content_stream` is executed. That is, for example, the case if the user extracted text from such a PDF. This issue was introduced in pull request #969 and resolved in pull request #1828. Users are advised to upgrade. Users unable to upgrade may modify the line `while peek not in (b"\r", b"\n")` in `pypdf/generic/_data_structures.py` to `while peek not in (b"\r", b"\n", b"")`.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
不可达退出条件的循环(无限循环)
Vulnerability Title
PyPDF2 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。 PyPDF2 2.2.0 到3.8.1版本存在安全漏洞,该漏洞源于攻击者可能会制作一个 PDF,如果执行__parse_content_stream,则会导致无限循环。
CVSS Information
N/A
Vulnerability Type
N/A