Vulnerability Report

CVE-2016-2339

Title: Ruby-Lang Ruby Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2016-2339.

CWE Category CWE-119
Published Date Jan 06, 2017
Modified Date May 06, 2026
Exploit Status Not Found
Score 9.8 CVSS v3.0
Exploit Probability (EPSS)
0.83%

Vulnerability Summary

CVE-2016-2339: 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.

Impacted Vendors

Y
yukihiro_matsumoto 1
R
ruby-lang 1

Reference Links

http://www.securityfocus.com/bid/91234 http://www.talosintelligence.com/reports/TALOS-2016-0034/ https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html http://www.securityfocus.com/bid/91234 http://www.talosintelligence.com/reports/TALOS-2016-0034/ https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
CVSS v3.0
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2016-2339 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.