CVE-2015-7551: Apple Mac OS X

High severity, CVSS 8.4. EPSS: 0.5% chance of exploitation in the next 30 days.

The Fiddle::Handle implementation in ext/fiddle/handle.c in Ruby before 2.0.0-p648, 2.1 before 2.1.8, and 2.2 before 2.2.4, as distributed in Apple OS X before 10.11.4 and other products, mishandles tainting, which allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted string, related to the DL module and the libffi library. NOTE: this vulnerability exists because of a CVE-2009-5147 regression.

Affected products

• Apple Mac OS X: up to and including 10.11.3
• Ruby-Lang Ruby: up to and including 2.0.0-p647; version 2.1.0 only; version 2.1.1 only; version 2.1.2 only; version 2.1.3 only; version 2.1.4 only; …

Published 2016-03-24. Last modified 2026-06-17.