CVE-1999-0513: Digital Unix

Medium severity, CVSS 5.0. EPSS: 70.9% chance of exploitation in the next 30 days.

ICMP messages to broadcast addresses are allowed, allowing for a Smurf attack that can cause a denial of service.

Affected products

• Digital Unix: version 3.2g only; version 4.0 only; version 4.0a only; version 4.0b only; version 4.0c only; version 4.0d only
• Freebsd Freebsd: version 1.1.5.1 only; version 2.0.5 only; version 2.1.0 only; version 2.1.5 only; version 2.1.6 only; version 2.1.7.1 only; …
• HP HP-Ux: version 10.20 only; version 11.00 only
• IBM Aix: version 3.1 only; version 3.2 only; version 3.2.4 only; version 3.2.5 only
• Linux Linux Kernel: version 2.0 only; version 2.1 only
• Netbsd Netbsd: version 1.2 only
• Sun Solaris: version 2.4 only; version 2.5 only; version 2.5.1 only; version 2.6 only
• Sun Sunos: affected versions not specified; version 5.4 only; version 5.5 only; version 5.5.1 only

Published 1998-01-05. Last modified 2026-06-16.