CVE-2013-5183: Apple Mac OS X

Low severity, CVSS 2.6. EPSS: 1.3% chance of exploitation in the next 30 days.

Mail in Apple Mac OS X before 10.9, when Kerberos authentication is enabled and TLS is disabled, sends invalid cleartext data, which allows remote attackers to obtain sensitive information by sniffing the network.

Affected products

• Apple Mac OS X: up to and including 10.8.5; version 10.8.0 only; version 10.8.1 only; version 10.8.2 only; version 10.8.3 only; version 10.8.4 only; …

Published 2013-10-24. Last modified 2026-06-16.