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I. Basic Information for CVE-2021-21897
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A code execution vulnerability exists in the DL_Dxf::handleLWPolylineData functionality of Ribbonsoft dxflib 3.17.0. A specially-crafted .dxf file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数下溢(超界折返)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Ribbonsoft dxflib 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ribbonsoft dxflib是瑞士Ribbonsoft公司的一个开源 C++ 库,主要用于解析 DXF TM文件。 Ribbonsoft dxflib 存在数字错误漏洞,该漏洞源于 Ribbonsoft dxflib 3.17.0 的 DL_Dxf::handleLWPolylineData 功能中存在代码执行漏洞。特制的 .dxf 文件可能会导致堆缓冲区溢出。攻击者可以提供恶意文件来触发此漏洞。
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
-Ribbonsoft Ribbonsoft dxflib 3.17.0 -
II. Public POCs for CVE-2021-21897
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III. Intelligence Information for CVE-2021-21897
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IV. Related Vulnerabilities
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