CVE-2008-3637: Apple Mac OS X

High severity, CVSS 8.8. EPSS: 5.7% chance of exploitation in the next 30 days.

The Hash-based Message Authentication Code (HMAC) provider in Java on Apple Mac OS X 10.4.11, 10.5.4, and 10.5.5 uses an uninitialized variable, which allows remote attackers to execute arbitrary code via a crafted applet, related to an "error checking issue."

Affected products

• Apple Mac OS X: version 10.4.11 only; version 10.5.4 only; version 10.5.5 only
• Apple Mac OS X Server: version 10.4.11 only; version 10.5.4 only; version 10.5.5 only

Published 2008-09-26. Last modified 2026-06-16.