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CVE-2016-2339

9.8 criticalEPSS 5.1%

Critical (9.8) in ruby-lang ruby. EPSS 5.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
5.1% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
CWE
CWE-119
Published
Modified
Record from
the NVD, synced

Affected

References

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