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I. Basic Information for CVE-2025-46656
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
python-markdownify (aka markdownify) before 0.14.1 allows large headline prefixes such as <h9999999> in addition to <h1> through <h6>. This causes memory consumption.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1284
Source: NVD (National Vulnerability Database)
Vulnerability Title
python-markdownify 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
python-markdownify是Matthew Dapena-Tretter个人开发者的一个将HTML转换为Markdown的工具。 python-markdownify 0.14.1之前版本存在安全漏洞，该漏洞源于支持过大的标题前缀，可能导致内存消耗。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
python-markdownifypython-markdownify 0 ~ 0.14.1 -
II. Public POCs for CVE-2025-46656
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III. Intelligence Information for CVE-2025-46656
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IV. Related Vulnerabilities
Same weakness: CWE-1284
V. Comments for CVE-2025-46656

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