CVE-2012-5366: Apple Mac OS X

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

The IPv6 implementation in Apple Mac OS X (unknown versions, year 2012 and earlier) allows remote attackers to cause a denial of service via a flood of ICMPv6 Router Advertisement packets containing multiple Routing entries.

Affected products

• Apple Mac OS X: before 10.9 (fixed in 10.9)

Published 2020-02-20. Last modified 2026-06-16.