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I. Basic Information for CVE-2021-21900
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A code execution vulnerability exists in the dxfRW::processLType() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dxf file can lead to a use-after-free vulnerability. 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
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
LibreCAD 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LibreCAD是LibreCAD组织的一款开源的CAD(计算机辅助设计)应用程序。 LibreCad libdxfrw 中存在资源管理错误漏洞,该漏洞源于dxfRW::processLType函数对已释放的资源重复使用。攻击者可通过该漏洞执行恶意代码。以下产品及版本受到影响:LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580 版本。
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
-LibreCAD LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580 -
II. Public POCs for CVE-2021-21900
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III. Intelligence Information for CVE-2021-21900
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IV. Related Vulnerabilities
V. Comments for CVE-2021-21900

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