UBUNTU-CVE-2016-2339

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Source
https://ubuntu.com/security/CVE-2016-2339
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2339.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-2339
Upstream
Downstream
Related
Published
2017-01-06T00:00:00Z
Modified
2025-07-18T16:43:26Z
Severity
  • 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 - low
Summary
[none]
Details

An exploitable heap overflow vulnerability exists in the Fiddle::Function.new "initialize" function functionality of Ruby. In Fiddle::Function.new "initialize" heap buffer "arg_types" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.

References

Affected packages

Ubuntu:14.04:LTS / ruby1.9.1

Package

Name
ruby1.9.1
Purl
pkg:deb/ubuntu/ruby1.9.1@1.9.3.484-2ubuntu1.3?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9.3.484-2ubuntu1.3

Affected versions

1.*

1.9.3.194-8.1ubuntu2
1.9.3.448-1ubuntu1
1.9.3.448-1ubuntu2
1.9.3.484-1ubuntu1
1.9.3.484-1ubuntu2
1.9.3.484-2ubuntu1
1.9.3.484-2ubuntu1.1
1.9.3.484-2ubuntu1.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libruby1.9.1",
            "binary_version": "1.9.3.484-2ubuntu1.3"
        },
        {
            "binary_name": "libruby1.9.1-dbg",
            "binary_version": "1.9.3.484-2ubuntu1.3"
        },
        {
            "binary_name": "libruby1.9.1-dbgsym",
            "binary_version": "1.9.3.484-2ubuntu1.3"
        },
        {
            "binary_name": "libtcltk-ruby1.9.1",
            "binary_version": "1.9.3.484-2ubuntu1.3"
        },
        {
            "binary_name": "libtcltk-ruby1.9.1-dbgsym",
            "binary_version": "1.9.3.484-2ubuntu1.3"
        },
        {
            "binary_name": "ri1.9.1",
            "binary_version": "1.9.3.484-2ubuntu1.3"
        },
        {
            "binary_name": "ruby1.9.1",
            "binary_version": "1.9.3.484-2ubuntu1.3"
        },
        {
            "binary_name": "ruby1.9.1-dbgsym",
            "binary_version": "1.9.3.484-2ubuntu1.3"
        },
        {
            "binary_name": "ruby1.9.1-dev",
            "binary_version": "1.9.3.484-2ubuntu1.3"
        },
        {
            "binary_name": "ruby1.9.1-dev-dbgsym",
            "binary_version": "1.9.3.484-2ubuntu1.3"
        },
        {
            "binary_name": "ruby1.9.1-examples",
            "binary_version": "1.9.3.484-2ubuntu1.3"
        },
        {
            "binary_name": "ruby1.9.1-full",
            "binary_version": "1.9.3.484-2ubuntu1.3"
        },
        {
            "binary_name": "ruby1.9.3",
            "binary_version": "1.9.3.484-2ubuntu1.3"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:14.04:LTS / ruby2.0

Package

Name
ruby2.0
Purl
pkg:deb/ubuntu/ruby2.0@2.0.0.484-1ubuntu2.4?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.0.484-1ubuntu2.4

Affected versions

2.*

2.0.0.299-2
2.0.0.343-1
2.0.0.343-1ubuntu1
2.0.0.353-1
2.0.0.353-1ubuntu1
2.0.0.484-1ubuntu1
2.0.0.484-1ubuntu2
2.0.0.484-1ubuntu2.1
2.0.0.484-1ubuntu2.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libruby2.0",
            "binary_version": "2.0.0.484-1ubuntu2.4"
        },
        {
            "binary_name": "libruby2.0-dbgsym",
            "binary_version": "2.0.0.484-1ubuntu2.4"
        },
        {
            "binary_name": "ruby2.0",
            "binary_version": "2.0.0.484-1ubuntu2.4"
        },
        {
            "binary_name": "ruby2.0-dbgsym",
            "binary_version": "2.0.0.484-1ubuntu2.4"
        },
        {
            "binary_name": "ruby2.0-dev",
            "binary_version": "2.0.0.484-1ubuntu2.4"
        },
        {
            "binary_name": "ruby2.0-doc",
            "binary_version": "2.0.0.484-1ubuntu2.4"
        },
        {
            "binary_name": "ruby2.0-tcltk",
            "binary_version": "2.0.0.484-1ubuntu2.4"
        },
        {
            "binary_name": "ruby2.0-tcltk-dbgsym",
            "binary_version": "2.0.0.484-1ubuntu2.4"
        }
    ],
    "availability": "No subscription required"
}