SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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,…

MEDIUM 6.8EPSS 3.06%

Does this matter?

Lower severity and a low EPSS score (3.06%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 2.0
6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS
3.06% probability · 88th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-119
Affected
justsystem/hanako · justsystem/hanako viewer · justsystem/ichitaro · justsystem/ichitaro lite2 · justsystem/ichitaro viewer · justsystem/sanshiro
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 3.06%26 October 202626 October 2026

EPSS 3.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.