CVE-2012-3732: Apple iPhone OS

Medium severity, CVSS 6.4. EPSS: 1.4% chance of exploitation in the next 30 days.

Mail in Apple iOS before 6 uses an S/MIME message's From address as the displayed sender address, which allows remote attackers to spoof signed content via an e-mail message in which the From field does not match the signer's identity.

Affected products

• Apple iPhone OS: up to and including 5.1.1; version 1.0.0 only; version 1.0.1 only; version 1.0.2 only; version 1.1.0 only; version 1.1.1 only; …

Published 2012-09-20. Last modified 2026-06-16.