CVE-2019-6556: Omron Common Components

Medium severity, CVSS 6.6. EPSS: 1.2% chance of exploitation in the next 30 days.

When processing project files, the application (Omron CX-Programmer v9.70 and prior and Common Components January 2019 and prior) fails to check if it is referencing freed memory. An attacker could use a specially crafted project file to exploit and execute code under the privileges of the application.

Affected products

• Omron Common Components: up to and including 2019-01
• Omron Cx-Programmer: up to and including 9.70

Published 2019-04-10. Last modified 2026-06-17.