6.8
CVSSv2

CVE-2016-5421

Published: 10/08/2016 Updated: 07/11/2023
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.1 | Impact Score: 5.9 | Exploitability Score: 2.2
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

Use-after-free vulnerability in libcurl prior to 7.50.1 allows malicious users to control which connection is used or possibly have unspecified other impact via unknown vectors.

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

opensuse leap 42.1

haxx libcurl

canonical ubuntu linux 12.04

debian debian linux 8.0

canonical ubuntu linux 16.04

canonical ubuntu linux 14.04

fedoraproject fedora 24

fedoraproject fedora 23

opensuse opensuse 13.2

Vendor Advisories

Synopsis Moderate: httpd24 security, bug fix, and enhancement update Type/Severity Security Advisory: Moderate Topic An update for httpd24-httpd, httpd24-nghttp2, and httpd24-curl is now available for Red Hat Software CollectionsRed Hat Product Security has rated this update as having a security impact of ...
Several security issues were fixed in curl ...
Several vulnerabilities were discovered in cURL, an URL transfer library: CVE-2016-5419 Bru Rom discovered that libcurl would attempt to resume a TLS session even if the client certificate had changed CVE-2016-5420 It was discovered that libcurl did not consider client certificates when reusing TLS connections CVE-2016-5421 M ...
curl and libcurl before 7501 do not prevent TLS session resumption when the client certificate has changed, which allows remote attackers to bypass intended restrictions by resuming a session (CVE-2016-5419) curl and libcurl before 7501 do not check the client certificate when choosing the TLS connection to reuse, which might allow remote atta ...
Use-after-free vulnerability in libcurl before 7501 allows attackers to control which connection is used or possibly have unspecified other impact via unknown vectors ...
The Log Correlation Engine (LCE) is potentially impacted by several vulnerabilities in OpenSSL (20160503), libpcre / PCRE, Libxml2, Handlebars, libcurl, and jQuery that were recently disclosed and fixed Note that due to the time involved in doing a full analysis of each issue, Tenable has opted to upgrade the included versions of each library as a ...