Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2016-3739 Details

Description

The (1) mbed_connect_step1 function in lib/vtls/mbedtls.c and (2) polarssl_connect_step1 function in lib/vtls/polarssl.c in cURL and libcurl before 7.49.0, when using SSLv3 or making a TLS connection to a URL that uses a numerical IP address, allow remote attackers to spoof servers via an arbitrary valid certificate.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://curl.haxx.se/changes.html#7_49_0	CVE
https://curl.haxx.se/CVE-2016-3739.patch	CVE	Vendor Advisory
https://curl.haxx.se/docs/adv_20160518.html	CVE	Vendor Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149	CVE
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722	CVE
https://security.gentoo.org/glsa/201701-47	CVE
http://www.openwall.com/lists/oss-security/2024/03/27/4	CVE
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html	CVE
http://www.securityfocus.com/bid/90726	CVE
http://www.securitytracker.com/id/1035907	CVE
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.495349	CVE
https://curl.haxx.se/changes.html#7_49_0	[email protected]
https://curl.haxx.se/CVE-2016-3739.patch	[email protected]	Vendor Advisory
https://curl.haxx.se/docs/adv_20160518.html	[email protected]	Vendor Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149	[email protected]
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722	[email protected]
https://security.gentoo.org/glsa/201701-47	[email protected]
http://www.openwall.com/lists/oss-security/2024/03/27/4	[email protected]
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html	[email protected]
http://www.securityfocus.com/bid/90726	[email protected]
http://www.securitytracker.com/id/1035907	[email protected]
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.495349	[email protected]

see all 22 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	[email protected]

Affected Products

Product	Versions
haxx curl	7.21.0 7.21.1 7.21.2 7.21.3 7.21.4
CPE cpe:2.3:a:haxx:curl:7.21.0:::::::* cpe:2.3:a:haxx:curl:7.21.1:::::::* cpe:2.3:a:haxx:curl:7.21.2:::::::* cpe:2.3:a:haxx:curl:7.21.3:::::::* cpe:2.3:a:haxx:curl:7.21.4:::::::* cpe:2.3:a:haxx:curl:7.21.5:::::::* cpe:2.3:a:haxx:curl:7.21.6:::::::* cpe:2.3:a:haxx:curl:7.21.7:::::::* cpe:2.3:a:haxx:curl:7.22.0:::::::* cpe:2.3:a:haxx:curl:7.23.0:::::::* cpe:2.3:a:haxx:curl:7.23.1:::::::* cpe:2.3:a:haxx:curl:7.24.0:::::::* cpe:2.3:a:haxx:curl:7.25.0:::::::* cpe:2.3:a:haxx:curl:7.26.0:::::::* cpe:2.3:a:haxx:curl:7.27.0:::::::* cpe:2.3:a:haxx:curl:7.28.0:::::::* cpe:2.3:a:haxx:curl:7.28.1:::::::* cpe:2.3:a:haxx:curl:7.29.0:::::::* cpe:2.3:a:haxx:curl:7.30.0:::::::* cpe:2.3:a:haxx:curl:7.31.0:::::::* cpe:2.3:a:haxx:curl:7.32.0:::::::* cpe:2.3:a:haxx:curl:7.33.0:::::::* cpe:2.3:a:haxx:curl:7.34.0:::::::* cpe:2.3:a:haxx:curl:7.35.0:::::::* cpe:2.3:a:haxx:curl:7.36.0:::::::* cpe:2.3:a:haxx:curl:7.38.0:::::::* cpe:2.3:a:haxx:curl:7.39.0:::::::* cpe:2.3:a:haxx:curl:7.40.0:::::::* cpe:2.3:a:haxx:curl:7.41.0:::::::* cpe:2.3:a:haxx:curl:7.42.0:::::::* cpe:2.3:a:haxx:curl:7.42.1:::::::* cpe:2.3:a:haxx:curl:7.43.0:::::::* cpe:2.3:a:haxx:curl:7.44.0:::::::* cpe:2.3:a:haxx:curl:7.45.0:::::::* cpe:2.3:a:haxx:curl:7.46.0:::::::* cpe:2.3:a:haxx:curl:7.47.0:::::::* cpe:2.3:a:haxx:curl:7.48.0:::::::* Remediation No remediation found in references.

Product

Versions

haxx curl

7.21.0

7.21.1

7.21.2

7.21.3

7.21.4

CPE

cpe:2.3:a:haxx:curl:7.21.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.2:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.3:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.4:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.5:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.6:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.7:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.22.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.23.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.23.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.24.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.25.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.26.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.27.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.28.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.28.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.29.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.30.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.31.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.32.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.33.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.34.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.35.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.36.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.38.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.39.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.40.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.41.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.42.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.42.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.43.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.44.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.45.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.46.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.47.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.48.0:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

13 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
May 1, 2024	CVE Modified	[email protected]
Oct 17, 2018	CVE Modified	[email protected]
Jul 1, 2017	CVE Modified	[email protected]
Feb 17, 2017	CVE Modified	[email protected]
Dec 1, 2016	CVE Modified	[email protected]
Nov 28, 2016	CVE Modified	[email protected]
Oct 29, 2016	CVE Modified	[email protected]
May 20, 2016	Modified Analysis	[email protected]
May 20, 2016	Initial Analysis	[email protected]