description: 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.
problem types: Use-after-free
affected:
{
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
}