CVE-2009-4737
CVE-2009-4737 is a critical-severity vulnerability in Justsystems Ichitaro with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 3% (88th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Justsystems Ichitaro
- Published:
- Last modified:
Description
Stack-based buffer overflow in JustSystems Corporation Ichitaro 13, 2004 through 2009, Viewer 2009 19.0.1.0 and earlier, and other versions allows context-dependent attackers to execute arbitrary code via a crafted Rich Text File (RTF), related to "pvpara ffooter."
Frequently asked questions
- What is CVE-2009-4737?
- Stack-based buffer overflow in JustSystems Corporation Ichitaro 13, 2004 through 2009, Viewer 2009 19.0.1.0 and earlier, and other versions allows context-dependent attackers to execute arbitrary code via a crafted Rich Text File (RTF), related to "pvpara ffooter."
- How severe is CVE-2009-4737?
- CVE-2009-4737 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2009-4737 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-4737?
- CVE-2009-4737 primarily affects Justsystems Ichitaro. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2009-4737?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2009-4737 published?
- CVE-2009-4737 was published on 2010-04-06 and last updated on 2026-06-16.
References
- http://jvn.jp/en/jp/JVN33846134/index.html
- http://jvndb.jvn.jp/ja/contents/2009/JVNDB-2009-000018.html
- http://secunia.com/advisories/34611
- http://www.fourteenforty.jp/research/advisory.cgi?FFRRA-20090407
- http://www.ipa.go.jp/security/vuln/documents/2009/200904_ichitaro.html
- http://www.justsystems.com/jp/info/js09002.html
- http://www.osvdb.org/53349
- http://www.securityfocus.com/bid/34403
- http://www.vupen.com/english/advisories/2009/0957
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49739
Affected products (15)
- cpe:2.3:a:justsystems:ichitaro:13:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:2004:*:*:*:*:*:*:*
- 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:2009:-:trial:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro:bungei:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro_viewer:19.0.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:justsystems:ichitaro_viewer:20.0.2.0:*:*:*:*:*:*:*
More vulnerabilities in Justsystems Ichitaro
- CVE-2014-7247 — Critical (CVSS 10.0): Unspecified vulnerability in JustSystems Ichitaro 2008 through 2011; Ichitaro Government 6, 7, 2008, 2009, and 2010;…
- CVE-2013-3644 — Critical (CVSS 10.0): Unspecified vulnerability in JustSystems Ichitaro 2006 through 2013; Ichitaro Pro through 2; Ichitaro Government 6, 7,…
- CVE-2013-5990 — Critical (CVSS 9.3): Unspecified vulnerability in JustSystems Ichitaro 2006 through 2011; Ichitaro Government 6, 7, and 2006 through 2010;…
- CVE-2013-0707 — Critical (CVSS 9.3): Unspecified vulnerability in JustSystems Ichitaro 2006 and 2007, Ichitaro Government 2006 and 2007, Ichitaro Portable…
- CVE-2012-0269 — Critical (CVSS 9.3): Buffer overflow in JustSystems Ichitaro 2011 Sou, Ichitaro 2006 through 2011, Ichitaro Government 2006 through 2010,…
- CVE-2011-1331 — Critical (CVSS 9.3): JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro…
All CVEs affecting Justsystems Ichitaro →
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