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Vulnerability Details : CVE-2016-5421

Use-after-free vulnerability in libcurl before 7.50.1 allows attackers to control which connection is used or possibly have unspecified other impact via unknown vectors.
Publish Date : 2016-08-10 Last Update Date : 2020-05-08
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 416

- Products Affected By CVE-2016-5421

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 12.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 14.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
4 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
5 OS Fedoraproject Fedora 23 * * * Version Details Vulnerabilities
6 OS Fedoraproject Fedora 24 * * * Version Details Vulnerabilities
7 Application Haxx Libcurl * * * * Version Details Vulnerabilities
8 OS Opensuse Leap 42.1 * * * Version Details Vulnerabilities
9 OS Opensuse Opensuse 13.2 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 3
Debian Debian Linux 1
Fedoraproject Fedora 2
Haxx Libcurl 1
Opensuse Leap 1
Opensuse Opensuse 1

- References For CVE-2016-5421
REDHAT RHSA-2018:3558[email protected]/message/K3GQH4V3XAQ5Z53AMQRDEC3C3UHTW7QR/
FEDORA FEDORA-2016-8354baae0f
UBUNTU USN-3048-1[email protected]/message/GLPXQQKURBQFM4XM6645VRPTOE2AWG33/
FEDORA FEDORA-2016-24316f1f56
SUSE openSUSE-SU-2016:2379
SUSE openSUSE-SU-2016:2227
BID 92306 cURL/libcurl CVE-2016-5421 Local Use After Free Denial of Service Vulnerability Release Date:2017-04-20

- Metasploit Modules Related To CVE-2016-5421

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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