Buffer overflow in JustSystems Hanako 2004 through 2006, Hanako viewer 1.x, Ichitaro…
Priority LOW 36CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.03066 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:justsystem:hanako:2004:*:*:*:*:*:*:* | 2004 | Vulnerable | Justsystem |
| cpe:2.3:a:justsystem:hanako:2005:*:*:*:*:*:*:* | 2005 | Vulnerable | Justsystem |
| cpe:2.3:a:justsystem:hanako:2006:*:*:*:*:*:*:* | 2006 | Vulnerable | Justsystem |
| cpe:2.3:a:justsystem:hanako_viewer:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Justsystem |
| cpe:2.3:a:justsystem:ichitaro:*:*:*:*:*:*:*:* | all versions | Vulnerable | Justsystem |
| cpe:2.3:a:justsystem:ichitaro:2005:*:*:*:*:*:*:* | 2005 | Vulnerable | Justsystem |
| cpe:2.3:a:justsystem:ichitaro:2006:*:*:*:*:*:*:* | 2006 | Vulnerable | Justsystem |
| cpe:2.3:a:justsystem:ichitaro_lite2:*:*:*:*:*:*:*:* | all versions | Vulnerable | Justsystem |
| cpe:2.3:a:justsystem:ichitaro_lite2:r2:*:*:*:*:*:*:* | r2 | Vulnerable | Justsystem |
| cpe:2.3:a:justsystem:ichitaro_viewer:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Justsystem |
- cpe:2.3:a:justsystem:hanako:2004:*:*:*:*:*:*:* Versions 2004 Vulnerable ·Justsystem
- cpe:2.3:a:justsystem:hanako:2005:*:*:*:*:*:*:* Versions 2005 Vulnerable ·Justsystem
- cpe:2.3:a:justsystem:hanako:2006:*:*:*:*:*:*:* Versions 2006 Vulnerable ·Justsystem
- cpe:2.3:a:justsystem:hanako_viewer:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Justsystem
- cpe:2.3:a:justsystem:ichitaro:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Justsystem
- cpe:2.3:a:justsystem:ichitaro:2005:*:*:*:*:*:*:* Versions 2005 Vulnerable ·Justsystem
- cpe:2.3:a:justsystem:ichitaro:2006:*:*:*:*:*:*:* Versions 2006 Vulnerable ·Justsystem
- cpe:2.3:a:justsystem:ichitaro_lite2:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Justsystem
- cpe:2.3:a:justsystem:ichitaro_lite2:r2:*:*:*:*:*:*:* Versions r2 Vulnerable ·Justsystem
- cpe:2.3:a:justsystem:ichitaro_viewer:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Justsystem
Show 1 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:justsystem:sanshiro:2005:*:*:*:*:*:*:* | 2005 | Vulnerable | Justsystem |
- cpe:2.3:a:justsystem:sanshiro:2005:*:*:*:*:*:*:* Versions 2005 Vulnerable ·Justsystem
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-6400
- 2026-10-03 Alias added: GHSA-2jvm-ch9q-pwc4
References
Sources
- CVE-2006-6400 · CVE Program
- CVE-2006-6400 · NVD
- FIRST EPSS
- GHSA-2jvm-ch9q-pwc4 · GitHub Advisory Database · CC BY 4.0
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