CVE-2014-4391: Apple Mac OS X

Medium severity, CVSS 6.8. EPSS: 2.9% chance of exploitation in the next 30 days.

The Code Signing feature in Apple OS X before 10.10 does not properly handle incomplete resource envelopes in signed bundles, which allows remote attackers to bypass intended app-author restrictions by omitting an execution-related resource.

Affected products

• Apple Mac OS X: up to and including 10.9.4

Published 2014-10-18. Last modified 2026-06-17.