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Case File

CVE-2016-2339

CRITICAL · CVSS 9.8 EPSS 5.19% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-01-06 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2016-2339
Severity
CRITICAL
CVSS
9.8
EPSS
5.19%

Original NVD Description

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.