CVE-2013-5176: Apple Mac OS X

Medium severity, CVSS 4.9. EPSS: 0.3% chance of exploitation in the next 30 days.

The kernel in Apple Mac OS X before 10.9 does not properly handle integer values during unspecified tty device operations, which allows local users to cause a denial of service (system hang) by triggering a truncation error.

Affected products

• Apple Mac OS X: up to and including 10.8.5; version 10.8.0 only; version 10.8.1 only; version 10.8.2 only; version 10.8.3 only; version 10.8.4 only; …

Published 2013-10-24. Last modified 2026-06-16.