CVE-2003-0804: Apple Mac OS X

Medium severity, CVSS 5.0. EPSS: 1.4% chance of exploitation in the next 30 days.

The arplookup function in FreeBSD 5.1 and earlier, Mac OS X before 10.2.8, and possibly other BSD-based systems, allows remote attackers on a local subnet to cause a denial of service (resource starvation and panic) via a flood of spoofed ARP requests.

Affected products

• Apple Mac OS X: version 10.2 only; version 10.2.1 only; version 10.2.2 only; version 10.2.3 only; version 10.2.4 only; version 10.2.5 only; …
• Apple Mac OS X Server: version 10.2 only; version 10.2.1 only; version 10.2.2 only; version 10.2.3 only; version 10.2.4 only; version 10.2.5 only; …
• Freebsd Freebsd: version 4.0 only; version 4.1 only; version 4.1.1 only; version 4.2 only; version 4.3 only; version 4.4 only; …
• OpenBSD OpenBSD: version 3.2 only; version 3.3 only; version 3.4 only

Published 2003-11-17. Last modified 2026-06-16.