CVE-2006-4655: Sco Unixware

Medium severity, CVSS 4.6. EPSS: 0.9% chance of exploitation in the next 30 days.

Buffer overflow in the Strcmp function in the XKEYBOARD extension in X Window System X11R6.4 and earlier, as used in SCO UnixWare 7.1.3 and Sun Solaris 8 through 10, allows local users to gain privileges via a long _XKB_CHARSET environment variable value.

Affected products

• Sco Unixware: version 7.1.3 only
• Sun Solaris: version 8.0 only; version 9.0 only; version 10.0 only

Published 2006-09-09. Last modified 2026-06-16.