CVE-1999-0091: IBM Aix

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

Buffer overflow in AIX writesrv command allows local users to obtain root access.

Affected products

• IBM Aix: version 4.1 only; version 4.1.1 only; version 4.1.2 only; version 4.1.3 only; version 4.1.4 only; version 4.1.5 only; …

Published 1997-10-28. Last modified 2026-06-16.