Improper Input Validation The advisory has been revoked - it doesn't affect any version of package libcurl  (opens in a new tab)


Threat Intelligence

EPSS
2.65% (86th percentile)

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  • Snyk IDSNYK-CONAN-LIBCURL-10076422
  • published8 May 2025
  • disclosed18 Apr 2014
  • creditUnknown

Introduced: 18 Apr 2014

CVE-2014-2522  (opens in a new tab)
CWE-20  (opens in a new tab)

Amendment

This was deemed not a vulnerability.

Overview

Affected versions of this package are vulnerable to Improper Input Validation curl and libcurl 7.27.0 through 7.35.0, when running on Windows and using the SChannel/Winssl TLS backend, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate when accessing a URL that uses a numerical IP address, which allows man-in-the-middle attackers to spoof servers via an arbitrary valid certificate.