Use-after-free vulnerability exists in Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) Version 1.6.9.0 and earlier. With the abnormal value given as the maximum number of columns for the PLC program, the process accesses the freed memory. As a result, opening a specially crafted project file may lead to information disclosure and/or arbitrary code execution.
[
{
"vendor": "JTEKT ELECTRONICS CORPORATION",
"product": "Kostac PLC Programming Software (Former name: Koyo PLC Programming Software)",
"versions": [
{
"version": "Version 1.6.9.0 and earlier",
"status": "affected"
}
]
}
]