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I. Basic Information for CVE-2026-3665
Vulnerability Information

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Vulnerability Title
xlnt-community xlnt XLSX File xlsx_consumer.cpp read_office_document null pointer dereference
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was identified in xlnt-community xlnt up to 1.6.1. The affected element is the function xlnt::detail::xlsx_consumer::read_office_document of the file source/detail/serialization/xlsx_consumer.cpp of the component XLSX File Parser. The manipulation leads to null pointer dereference. The attack must be carried out locally. The exploit is publicly available and might be used.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
xlnt 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
xlnt是xlnt-community开源的一个C++语言库。 xlnt 1.6.1及之前版本存在代码问题漏洞,该漏洞源于对文件source/detail/serialization/xlsx_consumer.cpp中函数read_office_document的错误操作,可能导致空指针取消引用。
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
xlnt-communityxlnt 1.6.0 -
II. Public POCs for CVE-2026-3665
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III. Intelligence Information for CVE-2026-3665
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