{"id":"CVE-2023-22419","aliases":["EUVD-2023-26582","GHSA-89hq-79f3-9hjw"],"status":"published","title":"Out-of-bounds read vulnerability exists in Kostac PLC Programming Software (Former name: Koyo PLC...","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. When processing a comment block in stage information, the end of data cannot be verified and out-of-bounds read occurs. As a result, opening a specially crafted project file may lead to information disclosure and/or arbitrary code execution.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00233,"percentile":0.14343,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2023-03-05T00:00:00Z","modified":"2026-06-17T05:35:24Z","products":[{"vendor":"jtekt","product":"kostac_plc_programming_software"},{"vendor":"jtekt electronics corporation","product":"kostac plc programming software (former name: koyo plc programming software)"}],"references":[{"url":"https://www.electronics.jtekt.co.jp/en/topics/202303035258/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://www.electronics.jtekt.co.jp/jp/topics/2023030313639/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/vu/JVNVU94966432/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22419"},{"url":"https://github.com/advisories/GHSA-89hq-79f3-9hjw"}],"sources":{"cve":[{"id":"CVE-2023-22419","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. When processing a comment block in stage information, the end of data cannot be verified and out-of-bounds read occurs. As a result, opening a specially crafted project file may lead to information disclosure and/or arbitrary code execution.","status":"published","published":"2023-03-05T00:00:00Z","modified":"2025-03-06T16:05:15.274Z","updated_at":"2026-11-02T14:35:15.779187Z"}],"euvd":[{"id":"EUVD-2023-26582","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. When processing a comment block in stage information, the end of data cannot be verified and out-of-bounds read occurs. As a result, opening a specially crafted project file may lead to information disclosure and/or arbitrary code execution.","status":"published","published":"2023-03-05T00:00:00Z","modified":"2025-03-06T16:05:15Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"none"}],"updated_at":"2026-11-02T20:53:11.47787Z"}],"ghsa":[{"id":"GHSA-89hq-79f3-9hjw","title":"Out-of-bounds read vulnerability exists in Kostac PLC Programming Software (Former name: Koyo PLC...","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. When processing a comment block in stage information, the end of data cannot be verified and out-of-bounds read occurs. As a result, opening a specially crafted project file may lead to information disclosure and/or arbitrary code execution.","status":"published","published":"2023-03-06T00:30:16Z","modified":"2023-03-21T05:04:50Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:54:22.471958Z"}],"nvd":[{"id":"CVE-2023-22419","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. When processing a comment block in stage information, the end of data cannot be verified and out-of-bounds read occurs. As a result, opening a specially crafted project file may lead to information disclosure and/or arbitrary code execution.","status":"published","published":"2023-03-06T00:15:10.523Z","modified":"2026-06-17T05:35:24.837Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:07:48.342507Z"}]}}