{"id":"CVE-2011-1331","aliases":["EUVD-2011-1339","GHSA-vqhx-m344-7rcj"],"status":"published","title":"JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through...","description":"JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro Portable, Ichitaro Pro, and Ichitaro Viewer allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted document, as exploited in the wild in early 2011.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-06","score":0.05564,"percentile":0.92899,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2011-07-18T22:00:00Z","modified":"2026-06-16T23:29:10Z","products":[{"vendor":"justsystems","product":"ichitaro"},{"vendor":"justsystems","product":"ichitaro_portable"},{"vendor":"justsystems","product":"ichitaro_pro"},{"vendor":"justsystems","product":"ichitaro_viewer"}],"references":[{"url":"http://secunia.com/advisories/44956","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/48283","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://jvndb.jvn.jp/jvndb/JVNDB-2011-000043","tags":["third-party-advisory","x_refsource_JVNDB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/68072","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.justsystems.com/jp/info/js11001.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.symantec.com/connect/blogs/targeted-attacks-2011-using-ichitaro-zero-day-vulnerability","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://jvn.jp/en/jp/JVN87239473/index.html","tags":["third-party-advisory","x_refsource_JVN","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1331"},{"url":"https://github.com/advisories/GHSA-vqhx-m344-7rcj"}],"sources":{"cve":[{"id":"CVE-2011-1331","description":"JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro Portable, Ichitaro Pro, and Ichitaro Viewer allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted document, as exploited in the wild in early 2011.","status":"published","published":"2011-07-18T22:00:00Z","modified":"2024-08-06T22:21:34.2Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1339","description":"JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro Portable, Ichitaro Pro, and Ichitaro Viewer allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted document, as exploited in the wild in early 2011.","status":"published","published":"2011-07-18T22:00:00Z","modified":"2024-08-06T22:21:34Z","updated_at":"2026-11-03T01:55:57.223544Z"}],"ghsa":[{"id":"GHSA-vqhx-m344-7rcj","title":"JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through...","description":"JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro Portable, Ichitaro Pro, and Ichitaro Viewer allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted document, as exploited in the wild in early 2011.","status":"published","published":"2022-05-17T02:00:45Z","modified":"2023-02-03T05:06:55Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:53:57.460736Z"}],"nvd":[{"id":"CVE-2011-1331","description":"JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro Portable, Ichitaro Pro, and Ichitaro Viewer allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted document, as exploited in the wild in early 2011.","status":"published","published":"2011-07-18T22:55:01.033Z","modified":"2026-06-16T23:29:10.2Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:09.182398Z"}]}}