CVE-2008-0223: Justsystem Ichitaro

High severity, CVSS 9.3. EPSS: 4.8% chance of exploitation in the next 30 days.

Buffer overflow in JustSystems JSFC.DLL, as used in multiple JustSystems products such as Ichitaro, allows remote attackers to execute arbitrary code via a crafted .JTD file.

Affected products

• Justsystem Ichitaro: version 11.0 only; version 12.0 only; version 13.0 only; version 2004 only; version 2005 only; version 2006 only; …
• Justsystem Ichitaro LITE2: any version
• Justsystem Ichitaro Viewer: any version

Published 2008-01-10. Last modified 2026-06-16.