What’s Vulnerable › Vulnerabilities

CVE-2017-10870

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-02 · updated 2026-06-17
• Weakness: CWE-119

Description

Memory corruption vulnerability in Rakuraku Hagaki (Rakuraku Hagaki 2018, Rakuraku Hagaki 2017, Rakuraku Hagaki 2016) and Rakuraku Hagaki Select for Ichitaro (Ichitaro 2017, Ichitaro 2016, Ichitaro 2015, Ichitaro Pro3, Ichitaro Pro2, Ichitaro Pro, Ichitaro 2011, Ichitaro Government 8, Ichitaro Government 7, Ichitaro Government 6 and Ichitaro 2017 Trial version) allows attackers to execute arbitrary code with privileges of the application via specially crafted file.

Affected products

• JustSystems Easy Postcard 2016: all versions
• JustSystems Easy Postcard 2017: all versions
• JustSystems Easy Postcard 2018: all versions
• JustSystems Ichitaro 2016: all versions
• JustSystems Ichitaro 2017: all versions
• JustSystems Ichitaro 2017 Trial Version: all versions
• JustSystems Ichitaro 2018: all versions
• JustSystems Ichitaro Government 6: all versions
• JustSystems Ichitaro Government 7: all versions
• JustSystems Ichitaro Government 8: all versions
• JustSystems Ichitaro Pro: all versions
• JustSystems Ichitaro Pro 2: all versions
• JustSystems Ichitaro Pro 2011: all versions
• JustSystems Ichitaro Pro 3: all versions

References

• https://jvn.jp/en/vu/JVNVU93703434/index.html
• https://www.justsystems.com/jp/info/js17003.html
• https://jvn.jp/en/vu/JVNVU93703434/index.html
• https://www.justsystems.com/jp/info/js17003.html

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