CVE-1999-0040: Bsdi Bsd OS

High severity, CVSS 7.2. EPSS: 1.2% chance of exploitation in the next 30 days.

Buffer overflow in Xt library of X Windowing System allows local users to execute commands with root privileges.

Affected products

• Bsdi Bsd OS: version 2.0 only; version 2.0.1 only; version 2.1 only
• Freebsd Freebsd: version 1.1.5.1 only; version 2.0 only
• HP HP-Ux: version 9.00 only; version 9.01 only; version 9.10 only; version 10.00 only; version 10.01 only; version 10.08 only; …
• IBM Aix: version 3.2 only; version 4.1 only; version 4.2 only
• Nec Asl Ux 4800: version 64 only
• Nec Ews-Ux V: version 4.2 only; version 4.2mp only
• Nec Up-Ux V: version 4.2mp only
• Sgi Irix: version 4.0 only; version 5.0 only; version 5.3 only; version 6.0 only; version 6.1 only; version 6.2 only; …
• Sun Solaris: version 2.4 only; version 2.5 only; version 2.5.1 only
• Sun Sunos: version 4.1.3 only; version 4.1.3u1 only; version 4.1.4 only; version 5.3 only; version 5.4 only; version 5.5 only; …

Published 1997-05-01. Last modified 2026-06-16.