Read the docs
TI-2014-02027 Aliases CVE-2014-2522GHSA-wrgp-wm42-6wqv

curl and libcurl 7.27.0 through 7.35.0, when running on Windows and using the…

Priority LOW 24CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.02648 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 22

CPEVersionsRoleVendor
cpe:2.3:a:haxx:curl:7.27.0:*:*:*:*:*:*:*7.27.0VulnerableHaxx
cpe:2.3:a:haxx:curl:7.28.0:*:*:*:*:*:*:*7.28.0VulnerableHaxx
cpe:2.3:a:haxx:curl:7.28.1:*:*:*:*:*:*:*7.28.1VulnerableHaxx
cpe:2.3:a:haxx:curl:7.29.0:*:*:*:*:*:*:*7.29.0VulnerableHaxx
cpe:2.3:a:haxx:curl:7.30.0:*:*:*:*:*:*:*7.30.0VulnerableHaxx
cpe:2.3:a:haxx:curl:7.31.0:*:*:*:*:*:*:*7.31.0VulnerableHaxx
cpe:2.3:a:haxx:curl:7.32.0:*:*:*:*:*:*:*7.32.0VulnerableHaxx
cpe:2.3:a:haxx:curl:7.33.0:*:*:*:*:*:*:*7.33.0VulnerableHaxx
cpe:2.3:a:haxx:curl:7.34.0:*:*:*:*:*:*:*7.34.0VulnerableHaxx
cpe:2.3:a:haxx:curl:7.35.0:*:*:*:*:*:*:*7.35.0VulnerableHaxx
  • cpe:2.3:a:haxx:curl:7.27.0:*:*:*:*:*:*:* Versions 7.27.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:curl:7.28.0:*:*:*:*:*:*:* Versions 7.28.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:curl:7.28.1:*:*:*:*:*:*:* Versions 7.28.1 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:curl:7.29.0:*:*:*:*:*:*:* Versions 7.29.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:curl:7.30.0:*:*:*:*:*:*:* Versions 7.30.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:curl:7.31.0:*:*:*:*:*:*:* Versions 7.31.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:curl:7.32.0:*:*:*:*:*:*:* Versions 7.32.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:curl:7.33.0:*:*:*:*:*:*:* Versions 7.33.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:curl:7.34.0:*:*:*:*:*:*:* Versions 7.34.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:curl:7.35.0:*:*:*:*:*:*:* Versions 7.35.0 Vulnerable ·Haxx
Show 12 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:haxx:libcurl:7.27.0:*:*:*:*:*:*:*7.27.0VulnerableHaxx
cpe:2.3:a:haxx:libcurl:7.28.0:*:*:*:*:*:*:*7.28.0VulnerableHaxx
cpe:2.3:a:haxx:libcurl:7.28.1:*:*:*:*:*:*:*7.28.1VulnerableHaxx
cpe:2.3:a:haxx:libcurl:7.29.0:*:*:*:*:*:*:*7.29.0VulnerableHaxx
cpe:2.3:a:haxx:libcurl:7.30.0:*:*:*:*:*:*:*7.30.0VulnerableHaxx
cpe:2.3:a:haxx:libcurl:7.31.0:*:*:*:*:*:*:*7.31.0VulnerableHaxx
cpe:2.3:a:haxx:libcurl:7.32.0:*:*:*:*:*:*:*7.32.0VulnerableHaxx
cpe:2.3:a:haxx:libcurl:7.33.0:*:*:*:*:*:*:*7.33.0VulnerableHaxx
cpe:2.3:a:haxx:libcurl:7.34.0:*:*:*:*:*:*:*7.34.0VulnerableHaxx
cpe:2.3:a:haxx:libcurl:7.35.0:*:*:*:*:*:*:*7.35.0VulnerableHaxx
cpe:2.3:a:haxx:libcurl:7.36.0:*:*:*:*:*:*:*7.36.0VulnerableHaxx
cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*all versionsRunning onMicrosoft
  • cpe:2.3:a:haxx:libcurl:7.27.0:*:*:*:*:*:*:* Versions 7.27.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:libcurl:7.28.0:*:*:*:*:*:*:* Versions 7.28.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:libcurl:7.28.1:*:*:*:*:*:*:* Versions 7.28.1 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:libcurl:7.29.0:*:*:*:*:*:*:* Versions 7.29.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:libcurl:7.30.0:*:*:*:*:*:*:* Versions 7.30.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:libcurl:7.31.0:*:*:*:*:*:*:* Versions 7.31.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:libcurl:7.32.0:*:*:*:*:*:*:* Versions 7.32.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:libcurl:7.33.0:*:*:*:*:*:*:* Versions 7.33.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:libcurl:7.34.0:*:*:*:*:*:*:* Versions 7.34.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:libcurl:7.35.0:*:*:*:*:*:*:* Versions 7.35.0 Vulnerable ·Haxx
  • cpe:2.3:a:haxx:libcurl:7.36.0:*:*:*:*:*:*:* Versions 7.36.0 Vulnerable ·Haxx
  • cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2014-2522
  2. 2026-10-03 Alias added: GHSA-wrgp-wm42-6wqv

References

  • TI-2026-16162 Negotiate ambient user conn reuse CVSS 3.1CRITICAL 9.8
  • TI-2026-10231 cross-origin Digest auth state leak CVSS 3.1CRITICAL 9.8
  • TI-2026-09063 HTTP/2 stream-dependency tree UAF CVSS 3.1CRITICAL 9.8
  • TI-2026-07976 stale proxy password leak CVSS 3.1CRITICAL 9.8
  • TI-2026-07845 SASL double-free CVSS 3.1CRITICAL 9.8
  • TI-2023-12257 Injection in https://github.com/curl/curl CVSS 3.1CRITICAL 9.8
See all 168 →

Sources