CVE-2016-7141

Publication date 3 October 2016

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

curl and libcurl before 7.50.2, when built with NSS and the libnsspem.so library is available at runtime, allow remote attackers to hijack the authentication of a TLS connection by leveraging reuse of a previously loaded client certificate from file for a connection for which no certificate has been set, a different vulnerability than CVE-2016-5420.

Read the notes from the security team

Status

Package Ubuntu Release Status
curl 17.04 zesty
Fixed 7.50.1-1ubuntu2
16.10 yakkety
Fixed 7.50.1-1ubuntu1.1
16.04 LTS xenial
Fixed 7.47.0-1ubuntu2.2
14.04 LTS trusty
Fixed 7.35.0-1ubuntu2.10
12.04 LTS precise
Fixed 7.22.0-3ubuntu4.17

Notes

tyhicks

only affects libcurl3-nss which is not widely used libcurl3 (OpenSSL based)

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
curl

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

Other references