CVE-2005-0127: Apple Mac OS X
Medium severity, CVSS 5.0. EPSS: 2.7% chance of exploitation in the next 30 days.
Mail in Mac OS X 10.3.7, when generating a Message-ID header, generates a GUUID that includes information that identifies the Ethernet hardware being used, which allows remote attackers to link mail messages to a particular machine.
Affected products
Published 2005-05-02. Last modified 2026-06-16.