CVE-2014-4439: Apple Mac OS X

Medium severity, CVSS 4.3. EPSS: 1.7% chance of exploitation in the next 30 days.

Mail in Apple OS X before 10.10 does not properly recognize the removal of a recipient address from a message, which makes it easier for remote attackers to obtain sensitive information in opportunistic circumstances by reading a message intended exclusively for other recipients.

Affected products

• Apple Mac OS X: up to and including 10.9.5

Published 2014-10-18. Last modified 2026-06-17.