CVE-1999-0116: IBM Aix

Medium severity, CVSS 5.0. EPSS: 5.6% chance of exploitation in the next 30 days.

Denial of service when an attacker sends many SYN packets to create multiple connections without ever sending an ACK to complete the connection, aka SYN flood.

Affected products

• IBM Aix: version 3.2.5 only; version 4.1 only; version 4.2 only
• IBM Sng: version 2.1 only; version 2.2 only

Published 1996-09-19. Last modified 2026-06-16.