UBUNTU-CVE-2016-5421

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Source
https://ubuntu.com/security/CVE-2016-5421
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-5421.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-5421
Upstream
Downstream
Related
Published
2016-08-03T00:00:00Z
Modified
2025-09-08T16:43:47Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:14.04:LTS / curl

Package

Name
curl
Purl
pkg:deb/ubuntu/curl@7.35.0-1ubuntu2.8?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.35.0-1ubuntu2.8

Affected versions

7.*

7.32.0-1ubuntu1
7.33.0-1ubuntu1
7.34.0-1ubuntu1
7.35.0-1ubuntu1
7.35.0-1ubuntu2
7.35.0-1ubuntu2.1
7.35.0-1ubuntu2.2
7.35.0-1ubuntu2.3
7.35.0-1ubuntu2.5
7.35.0-1ubuntu2.6
7.35.0-1ubuntu2.7

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "curl",
            "binary_version": "7.35.0-1ubuntu2.8"
        },
        {
            "binary_name": "libcurl3",
            "binary_version": "7.35.0-1ubuntu2.8"
        },
        {
            "binary_name": "libcurl3-gnutls",
            "binary_version": "7.35.0-1ubuntu2.8"
        },
        {
            "binary_name": "libcurl3-nss",
            "binary_version": "7.35.0-1ubuntu2.8"
        },
        {
            "binary_name": "libcurl4-gnutls-dev",
            "binary_version": "7.35.0-1ubuntu2.8"
        },
        {
            "binary_name": "libcurl4-nss-dev",
            "binary_version": "7.35.0-1ubuntu2.8"
        },
        {
            "binary_name": "libcurl4-openssl-dev",
            "binary_version": "7.35.0-1ubuntu2.8"
        }
    ]
}

Ubuntu:16.04:LTS / curl

Package

Name
curl
Purl
pkg:deb/ubuntu/curl@7.47.0-1ubuntu2.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.47.0-1ubuntu2.1

Affected versions

7.*

7.43.0-1ubuntu2
7.45.0-1ubuntu1
7.46.0-1ubuntu1
7.47.0-1ubuntu1
7.47.0-1ubuntu2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "curl",
            "binary_version": "7.47.0-1ubuntu2.1"
        },
        {
            "binary_name": "libcurl3",
            "binary_version": "7.47.0-1ubuntu2.1"
        },
        {
            "binary_name": "libcurl3-gnutls",
            "binary_version": "7.47.0-1ubuntu2.1"
        },
        {
            "binary_name": "libcurl3-nss",
            "binary_version": "7.47.0-1ubuntu2.1"
        },
        {
            "binary_name": "libcurl4-gnutls-dev",
            "binary_version": "7.47.0-1ubuntu2.1"
        },
        {
            "binary_name": "libcurl4-nss-dev",
            "binary_version": "7.47.0-1ubuntu2.1"
        },
        {
            "binary_name": "libcurl4-openssl-dev",
            "binary_version": "7.47.0-1ubuntu2.1"
        }
    ]
}