CVE-2007-6261: Apple Mac OS X

Medium severity, CVSS 4.9. EPSS: 0.8% chance of exploitation in the next 30 days.

Integer overflow in the load_threadstack function in the Mach-O loader (mach_loader.c) in the xnu kernel in Apple Mac OS X 10.4 through 10.5.1 allows local users to cause a denial of service (infinite loop) via a crafted Mach-O binary.

Affected products

• Apple Mac OS X: version 10.4 only; version 10.5.1 only

Published 2007-12-06. Last modified 2026-06-16.