CVE-2012-3733: Apple iPhone OS

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

Messages in Apple iOS before 6, when multiple iMessage e-mail addresses are configured, does not ensure that a reply's sender address matches the recipient address of the original message, which allows remote attackers to obtain potentially sensitive information about alternate e-mail addresses in opportunistic circumstances by reading a reply.

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.