CVE-2007-4686: Apple Mac OS X

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

Integer signedness error in the ttioctl function in bsd/kern/tty.c in the xnu kernel in Apple Mac OS X 10.4 through 10.4.10 allows local users to cause a denial of service (system shutdown) or gain privileges via a crafted TIOCSETD ioctl request.

Affected products

• Apple Mac OS X: version 10.4.1 only; version 10.4.2 only; version 10.4.3 only; version 10.4.4 only; version 10.4.5 only; version 10.4.6 only; …
• Apple Mac OS X Server: version 10.4.1 only; version 10.4.2 only; version 10.4.3 only; version 10.4.4 only; version 10.4.5 only; version 10.4.6 only; …

Published 2007-11-15. Last modified 2026-06-16.