CVE-2012-0654: Apple Mac OS X

Medium severity, CVSS 6.8. EPSS: 1.8% chance of exploitation in the next 30 days.

libsecurity in Apple Mac OS X before 10.7.4 accesses uninitialized memory locations during the processing of X.509 certificates, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted certificate.

Affected products

• Apple Mac OS X: up to and including 10.7.3; version 10.0 only; version 10.0.0 only; version 10.0.1 only; version 10.0.2 only; version 10.0.3 only; …
• Apple Mac OS X Server: up to and including 10.7.3; version 10.0 only; version 10.0.0 only; version 10.0.1 only; version 10.0.2 only; version 10.0.3 only; …

Published 2012-05-11. Last modified 2026-06-16.