CVE-2014-0139

CVE-2014-0139 is a medium-severity vulnerability in Haxx Curl with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.8)
• EPSS exploit prediction: 5% (91st percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-310
• Affected product: Haxx Curl
• Published: 2014-04-15
• Last modified: 2026-06-17

Description

cURL and libcurl 7.1 before 7.36.0, when using the OpenSSL, axtls, qsossl or gskit libraries for TLS, recognize a wildcard IP address in the subject's Common Name (CN) field of an X.509 certificate, which might allow man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.

Frequently asked questions

What is CVE-2014-0139?

cURL and libcurl 7.1 before 7.36.0, when using the OpenSSL, axtls, qsossl or gskit libraries for TLS, recognize a wildcard IP address in the subject's Common Name (CN) field of an X.509 certificate, which might allow man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.

How severe is CVE-2014-0139?

CVE-2014-0139 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2014-0139 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-0139?

CVE-2014-0139 primarily affects Haxx Curl. In total, 130 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-0139?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-0139 published?

CVE-2014-0139 was published on 2014-04-15 and last updated on 2026-06-17.

References

• http://advisories.mageia.org/MGASA-2015-0165.html
• http://curl.haxx.se/docs/adv_20140326B.html
• http://lists.opensuse.org/opensuse-updates/2014-04/msg00042.html
• http://secunia.com/advisories/57836
• http://secunia.com/advisories/57966
• http://secunia.com/advisories/57968
• http://secunia.com/advisories/58615
• http://secunia.com/advisories/59458
• http://www-01.ibm.com/support/docview.wss?uid=swg21675820
• http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095862
• http://www.debian.org/security/2014/dsa-2902
• http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/
• http://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/
• http://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/
• http://www.mandriva.com/security/advisories?name=MDVSA-2015:213
• http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
• http://www.ubuntu.com/usn/USN-2167-1

Affected products (130)

• cpe:2.3:a:haxx:curl:7.10.6:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.10.7:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.10.8:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.11.0:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.11.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.11.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.12.0:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.12.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.12.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.12.3:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.13.0:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.13.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.13.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.14.0:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.14.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.15.0:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.15.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.15.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.15.3:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.15.4:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.15.5:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.16.0:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.16.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.16.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.16.3:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.16.4:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.17.0:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.17.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.18.0:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.18.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.18.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.19.0:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.19.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.19.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.19.3:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.19.4:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.19.5:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.19.6:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.19.7:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.20.0:*:*:*:*:*:*:*

More vulnerabilities in Haxx Curl

• CVE-2026-9079 — Critical (CVSS 9.8): libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the…
• CVE-2026-8925 — Critical (CVSS 9.8): The curl logic that works with SASL authentication could end up cleaning up the GSASL context *twice* without clearing…
• CVE-2026-11856 — Critical (CVSS 9.8): Successfully using libcurl to do a transfer to a specific HTTP origin (`hostA`) with **Digest** authentication and then…
• CVE-2026-10536 — Critical (CVSS 9.8): A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via…
• CVE-2022-32221 — Critical (CVSS 9.8): When doing HTTP(S) transfers, libcurl might erroneously use the read callback (`CURLOPT_READFUNCTION`) to ask for data…
• CVE-2022-32207 — Critical (CVSS 9.8): When curl < 7.84.0 saves cookies, alt-svc and hsts data to local files, it makes the operation atomic by finalizing the…

All CVEs affecting Haxx Curl →

Other CWE-310 (Cryptographic Issues) vulnerabilities

• CVE-2014-7878 — Critical (CVSS 10.0): The Application Lifecycle Service (ALS) in HP Helion Cloud Development Platform 1.0, when a virtual machine is derived…
• CVE-2013-3712 — Critical (CVSS 10.0): SUSE Studio Onsite 1.3.x before 1.3.6 and SUSE Studio Extension for System z 1.3 uses "static" secret tokens, which has…
• CVE-2013-6952 — Critical (CVSS 10.0): The Belkin WeMo Home Automation firmware before 3949 has a hardcoded GPG key, which makes it easier for remote…
• CVE-2013-6838 — Critical (CVSS 10.0): An unspecified Enghouse Interactive Professional Services "addon product" in Enghouse Interactive IVR Pro (VIP2000)…
• CVE-2013-0137 — Critical (CVSS 10.0): The default configuration of the Digital Alert Systems DASDEC EAS device before 2.0-2 and the Monroe Electronics R189…
• CVE-2011-5123 — Critical (CVSS 10.0): The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not check whether X.509 certificates in…

Browse all CWE-310 (Cryptographic Issues) vulnerabilities →