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.

Related CVEs

CVE-2023-22421

Key Information

GHSA ID

GHSA-773f-mh54-2mhm

Published

March 6, 2023 12:30 AM

Last Modified

March 7, 2025 9:30 PM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: July 12, 2025 6:29 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.