Skip to content
OpenAdvisories
High · 7.8 CVE-2023-22421 EUVD-2023-26584GHSA-773f-mh54-2mhm

Out-of-bounds read vulnerability exists in Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) Version 1.6.9.0 and…

Published Mar 5, 2023 · Updated Mar 7, 2025 · Assigned by jpcert

Description

Out-of-bounds read vulnerability exists in Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) Version 1.6.9.0 and earlier. The insufficient buffer size for the PLC program instructions leads to out-of-bounds read. As a result, opening a specially crafted project file may lead to information disclosure and/or arbitrary code execution.

Affected products

VendorProductAffectedFixed
JTEKT ELECTRONICS Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) Version 1.6.9.0 and earlier —

Advisories 1

References