CVE-2016-1853: Apple Mac OS X

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

Tcl in Apple OS X before 10.11.5 allows remote attackers to obtain sensitive information by leveraging SSLv2 support.

Affected products

• Apple Mac OS X: up to and including 10.11.4

Published 2016-05-20. Last modified 2026-06-17.