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I. Basic Information for CVE-2021-22945
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
双重释放
Source: NVD (National Vulnerability Database)
Vulnerability Title
libcurl 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HAXX Haxx libcurl是瑞典HAXX公司的一个免费、开源的客户端URL传输库。该库支持FTP、FTPS、TFTP、HTTP等。 Haxx libcurl 存在资源管理错误漏洞，该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。
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
-https://github.com/curl/curl curl 7.73.0 to and including 7.78.0 -
II. Public POCs for CVE-2021-22945
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III. Intelligence Information for CVE-2021-22945
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IV. Related Vulnerabilities
Same product: https://github.com/curl/curl
Same vendor: n/a
Same weakness: CWE-415
V. Comments for CVE-2021-22945

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