CVE-2013-5180: Apple Mac OS X

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

The srandomdev function in Libc in Apple Mac OS X before 10.9, when the kernel random-number generator is unavailable, produces predictable values instead of the intended random values, which makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms by leveraging knowledge of these values, related to a compiler-optimization issue.

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.