CVE-2024-47134: Electronics.jtekt Kostac PLC Programming Software

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Out-of-bounds write vulnerability exists in Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) Version 1.6.14.0 and earlier. Having a user open a specially crafted project file which was saved using Kostac PLC Programming Software Version 1.6.9.0 and earlier may cause a denial-of-service (DoS) condition, arbitrary code execution, and/or information disclosure because the issues exist in parsing of KPP project files.

Affected products

• Electronics.jtekt Kostac PLC Programming Software: before 1.6.9.0 (fixed in 1.6.9.0); from 1.6.10.0, up to and including 1.6.14.0

Published 2024-10-03. Last modified 2026-06-17.