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CVE-2016-2339

UnknownEPSS 5.14%

Last modified

CVE-2016-2339 is a vulnerability of currently unknown severity. 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. EPSS estimates a 5.14% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
5.14%

91.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Ruby-LangRuby2.2.2
Ruby-LangRuby2.3.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2016-2339?
Severity scoring for CVE-2016-2339 is pending analysis. The EPSS model estimates a 5.14% probability of exploitation in the next 30 days.
How do I fix CVE-2016-2339?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-2339?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST