Vulnerability Details CVE-2025-5025
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 3.4%
CVSS Severity
CVSS v3 Score 4.8
References
Products affected by CVE-2025-5025
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cpe:2.3:a:haxx:curl:8.10.0
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cpe:2.3:a:haxx:curl:8.10.1
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cpe:2.3:a:haxx:curl:8.11.0
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cpe:2.3:a:haxx:curl:8.11.1
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cpe:2.3:a:haxx:curl:8.12.0
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cpe:2.3:a:haxx:curl:8.12.1
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cpe:2.3:a:haxx:curl:8.13.0
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cpe:2.3:a:haxx:curl:8.5.0
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cpe:2.3:a:haxx:curl:8.6.0
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cpe:2.3:a:haxx:curl:8.7.0
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cpe:2.3:a:haxx:curl:8.7.1
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cpe:2.3:a:haxx:curl:8.8.0
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cpe:2.3:a:haxx:curl:8.9.0
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cpe:2.3:a:haxx:curl:8.9.1