justsystem 関連製品全体の CVE とセキュリティ脆弱性情報を集約し、CVSS、EPSS、公開日、脆弱性情報データを掲載しています。
過去の問題は主に バッファオーバーフロー などに関し、一部は アプリケーションクラッシュ を招き、vendor surface software deployment and vendor surface production workloads 関連の場面に影響します。
掲載データは公開脆弱性情報とセキュリティ公告に基づき、過去の暴露面と修補優先度の評価に利用できます。
| CVE | 概要 | ソース | CVSS 最大値 | EPSS（%） | 公開 | 更新 |
|---|---|---|---|---|---|---|
| CVE-2008-0223 | Buffer overflow in JustSystems JSFC.DLL, as used in multiple JustSystems products such as Ichitaro, allows remote attackers to execute arbitrary code via a crafted .JTD file. | [email protected] | 9.3 | 4.76% | 2008-01-10 | 2026-06-16 |
| CVE-2007-6436 | Stack-based buffer overflow in JSGCI.DLL in JustSystems Ichitaro 2005, 2006, and 2007 allows user-assisted remote attackers to execute arbitrary code via a crafted document, as actively exploited in December 2007 by the Tarodrop.F trojan. NOTE: some of these details are obtained from third party information. | [email protected] | 9.3 | 4.09% | 2007-12-18 | 2026-06-16 |
| CVE-2007-5687 | Multiple buffer overflows in the rich text processing functionality in JustSystems Ichitaro 2004 through 2007, 11 through 13, and other versions allow remote attackers to execute arbitrary code via a long (1) pard field or (2) font name in the fcharset0 field, which is not properly handled in (a) JSTARO4.OCX; or (3) a long title, which is not properly handled by (b) TJSVDA.DLL. | [email protected] | 9.3 | 5.74% | 2007-10-28 | 2026-06-16 |
| CVE-2007-4246 | Unspecified vulnerability, possibly a buffer overflow, in Justsystem Ichitaro 2007 and earlier allows remote attackers to execute arbitrary code via a modified document, as actively exploited in August 2007 by malware such as Tarodrop.D (Tarodrop.Q), a different vulnerability than CVE-2006-4326, CVE-2006-5424, CVE-2006-6400, and CVE-2007-1938. | [email protected] | 6.8 | 3.08% | 2007-08-08 | 2026-06-16 |
| CVE-2006-6400 | Buffer overflow in JustSystems Hanako 2004 through 2006, Hanako viewer 1.x, Ichitaro 2004, Ichitaro 2005, Ichitaro Lite2, Ichitaro viewer 4.x, and Sanshiro 2005 allows remote attackers to execute arbitrary code via the (1) Keyword and (2) Title fields, related to string length fields. | [email protected] | 6.8 | 3.01% | 2006-12-09 | 2026-06-16 |
| CVE-2006-5424 | Unspecified vulnerability in Justsystem Ichitaro 2006, 2006 trial version, and Government 2006 allows remote attackers to execute arbitrary code via a modified document, possibly because of a buffer overflow, a different vulnerability than CVE-2006-4326. | [email protected] | 5.1 | 2.91% | 2006-10-20 | 2026-06-16 |
| CVE-2006-4326 | Stack-based buffer overflow in Justsystem Ichitaro 9.x through 13.x, Ichitaro 2004, 2005, 2006, and Government 2006; Ichitaro for Linux; and FormLiner before 20060818 allows remote attackers to execute arbitrary code via long Unicode strings in a crafted document, as being actively exploited by malware such as Trojan.Tarodrop. NOTE: some details are obtained from third party information. | [email protected] | 7.5 | 4.47% | 2006-08-23 | 2026-06-16 |