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I. Basic Information for CVE-2026-3805
Vulnerability Information

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Vulnerability Title
use after free in SMB connection reuse
Source: NVD (National Vulnerability Database)
Vulnerability Description
When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
curl 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
curl是cURL开源的一款用于从服务器传输数据或向服务器传输数据的工具。 curl存在安全漏洞,该漏洞源于重复SMB请求时使用指向已释放内存的数据指针,可能导致内存损坏。
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
curlcurl 8.18.0 ~ 8.18.0 -
II. Public POCs for CVE-2026-3805
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III. Intelligence Information for CVE-2026-3805
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IV. Related Vulnerabilities
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