{"id":"CVE-2023-22660","aliases":["EUVD-2023-26790","GHSA-22p7-2347-c784"],"status":"published","title":"A heap-based buffer overflow vulnerability exists in the way Ichitaro version 2022 1.0.1.57600...","description":"A heap-based buffer overflow vulnerability exists in the way Ichitaro version 2022 1.0.1.57600 processes certain LayoutBox stream record types. A specially crafted document can cause a buffer overflow, leading to memory corruption, which can result in arbitrary code execution.To trigger this vulnerability, the victim would need to open a malicious, attacker-created document.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00537,"percentile":0.4572,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2023-04-05T15:18:02Z","modified":"2026-06-17T05:35:52Z","products":[{"vendor":"ichitaro","product":"ichitaro"},{"vendor":"justsystems","product":"ichitaro_2022"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1722","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://jvn.jp/en/jp/JVN79149117/","tags":["x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1722"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22660"},{"url":"https://jvn.jp/en/jp/JVN79149117"},{"url":"https://github.com/advisories/GHSA-22p7-2347-c784"}],"sources":{"cve":[{"id":"CVE-2023-22660","description":"A heap-based buffer overflow vulnerability exists in the way Ichitaro version 2022 1.0.1.57600 processes certain LayoutBox stream record types. A specially crafted document can cause a buffer overflow, leading to memory corruption, which can result in arbitrary code execution.To trigger this vulnerability, the victim would need to open a malicious, attacker-created document.","status":"published","published":"2023-04-05T15:18:02.497Z","modified":"2025-02-10T18:05:08.035Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:16.126506Z"}],"euvd":[{"id":"EUVD-2023-26790","description":"A heap-based buffer overflow vulnerability exists in the way Ichitaro version 2022 1.0.1.57600 processes certain LayoutBox stream record types. A specially crafted document can cause a buffer overflow, leading to memory corruption, which can result in arbitrary code execution.To trigger this vulnerability, the victim would need to open a malicious, attacker-created document.","status":"published","published":"2023-04-05T15:18:02Z","modified":"2025-02-10T18:05:08Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:01.319038Z"}],"ghsa":[{"id":"GHSA-22p7-2347-c784","title":"A heap-based buffer overflow vulnerability exists in the way Ichitaro version 2022 1.0.1.57600...","description":"A heap-based buffer overflow vulnerability exists in the way Ichitaro version 2022 1.0.1.57600 processes certain LayoutBox stream record types. A specially crafted document can cause a buffer overflow, leading to memory corruption, which can result in arbitrary code execution.To trigger this vulnerability, the victim would need to open a malicious, attacker-created document.","status":"published","published":"2023-04-05T18:30:18Z","modified":"2024-04-04T03:22:31Z","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-122"],"updated_at":"2026-11-02T14:56:14.332077Z"}],"nvd":[{"id":"CVE-2023-22660","description":"A heap-based buffer overflow vulnerability exists in the way Ichitaro version 2022 1.0.1.57600 processes certain LayoutBox stream record types. A specially crafted document can cause a buffer overflow, leading to memory corruption, which can result in arbitrary code execution.To trigger this vulnerability, the victim would need to open a malicious, attacker-created document.","status":"published","published":"2023-04-05T16:15:07.983Z","modified":"2026-06-17T05:35:52.58Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"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-122"],"updated_at":"2026-11-02T14:07:53.719171Z"}]}}