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CVE-2025-5025— No QUIC certificate pinning with wolfSSL

Quick assessment

Affected
curl curl
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

libcurl是cURL开源的一个免费且易于使用的客户端 URL 传输库。 libcurl存在安全漏洞，该漏洞源于QUIC和HTTP/3连接时未执行证书公钥固定检查，可能导致中间人攻击。

AI Predicted 5.9 Difficulty: Moderate EPSS 0.27% · P20
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I. Basic Information for CVE-2025-5025

Vulnerability Information
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Vulnerability Title
No QUIC certificate pinning with wolfSSL
Source: CVE Program / CVE List V5
Vulnerability Description
libcurl supports *pinning* of the server certificate public key for HTTPS transfers. Due to an omission, this check is not performed when connecting with QUIC for HTTP/3, when the TLS backend is wolfSSL. Documentation says the option works with wolfSSL, failing to specify that it does not for QUIC and HTTP/3. Since pinning makes the transfer succeed if the pin is fine, users could unwittingly connect to an impostor server without noticing.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
libcurl 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libcurl是cURL开源的一个免费且易于使用的客户端 URL 传输库。 libcurl存在安全漏洞，该漏洞源于QUIC和HTTP/3连接时未执行证书公钥固定检查，可能导致中间人攻击。
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

Vendor Product Affected Versions CPE Subscribe
curl curl 8.13.0 ~ 8.13.0 -

II. Public POCs for CVE-2025-5025

# POC Description Source Link Shenlong Link
1 None https://github.com/KiPhuong/cve-2025-5025 POC Details
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III. Intelligence Information for CVE-2025-5025

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Vendor Advisories for CVE-2025-5025 (1)

Other References for CVE-2025-5025 (1)

IV. Related Vulnerabilities

Same product: curl
Same vendor: curl

V. Comments for CVE-2025-5025

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