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I. Basic Information for CVE-2026-4746
Vulnerability Information

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Vulnerability Title
Heap Buffer Over-Write Vulenrabilty in timeplus-io/proton
Source: NVD (National Vulnerability Database)
Vulnerability Description
Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is associated with program files inflate.C. This issue affects proton: before 1.6.16.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
Proton 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Proton是steventhanna个人开发者的一个使用 Electron 快速预览和编辑 Markdown 文件的独立应用程序。 proton 1.6.16之前版本存在安全漏洞,该漏洞源于越界写入,可能导致程序文件inflate.C出现问题。
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
timeplus-ioproton 0 ~ 1.6.16 -
II. Public POCs for CVE-2026-4746
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III. Intelligence Information for CVE-2026-4746
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IV. Related Vulnerabilities
V. Comments for CVE-2026-4746

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