Unrated severityNVD Advisory· Published Jul 18, 2011· Updated Jun 16, 2026
CVE-2011-1331
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
23cpe:2.3:a:justsystems:ichitaro:2005:*:*:*:*:*:*:*+ 14 more
- cpe:2.3:a:justsystems:ichitaro:2005:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:2006:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:2006:-:government:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:2007:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:2007:-:government:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:2008:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:2008:-:government:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:2009:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:2009:-:government:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:2010:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:2010:-:government:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:2011:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:6:-:government:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro_pro:*:*:*:*:*:*:*:*
- (no CPE)range: 2005 through 2011, Government 6, Government 2006 through 2010, Portable, Pro, Viewer
- cpe:2.3:a:justsystems:ichitaro_portable:*:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:ichitaro_viewer:*:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:a:justsystems:ichitaro_viewer:*:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro_viewer:19.0.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro_viewer:19.0.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro_viewer:19.0.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro_viewer:20.0.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro_viewer:5.1.3.0:*:*:*:*:*:*:*
- Range: 6, 2006 through 2010
Patches
Vulnerability mechanics
References
7- www.justsystems.com/jp/info/js11001.htmlnvdPatchVendor Advisory
- www.symantec.com/connect/blogs/targeted-attacks-2011-using-ichitaro-zero-day-vulnerabilitynvdExploit
- secunia.com/advisories/44956nvdVendor Advisory
- jvn.jp/en/jp/JVN87239473/index.htmlnvd
- jvndb.jvn.jp/jvndb/JVNDB-2011-000043nvd
- www.securityfocus.com/bid/48283nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/68072nvd
News mentions
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