Medium 4.3Published Feb 26, 2014

CVE-2014-1263curl and libcurl 7.27.0 through 7.35.0, when using the SecureTransport/Darwinssl backend, as used in in Apple OS X 10.9.x before 10.9.2, does not verify that the server hostname matches a domain name…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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It affects apple mac_os_x. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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curl and libcurl 7.27.0 through 7.35.0, when using the SecureTransport/Darwinssl backend, as used in in Apple OS X 10.9.x before 10.9.2, 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.

CVSS: 4.3 MEDIUM (v2.0, NVD)AV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-310
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

apple mac_os_x apple:mac_os_x	through 10.9.1; 10.9	NVD

References

References

http://curl.haxx.se/docs/adv_20140326C.html
http://secunia.com/advisories/57836
http://secunia.com/advisories/57966
http://secunia.com/advisories/57968
http://support.apple.com/kb/HT6150	vendor-advisory
http://twitter.com/agl__/statuses/437029812046422016
http://twitter.com/okoeroo/statuses/437272014043496449	exploit
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/
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.