CVE-2017-10870: Memory corruption vulnerability in Rakuraku Hagaki (Rakuraku Hagaki 2018, Rakuraku Hagaki 2017, Rakuraku Hagak

This month

HIGH 7.8MITIGATEMITIGATEMITIGATE

CVE-2017-10870 is a high-severity flaw (CVSS 7.8) affecting easy postcard 2016, easy postcard 2017, easy postcard 2018. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 spec

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-119
Published	2017-11-02
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: justsystems

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-11-02 15:29 UTCPublished CVE record published
2026-06-17 01:00 UTCUpdated Record last modified

justsystems easy postcard 2016 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy easy-postcard-2016 || rpm -q easy-postcard-2016 || easy-postcard-2016 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

justsystems easy postcard 2017 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy easy-postcard-2017 || rpm -q easy-postcard-2017 || easy-postcard-2017 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

justsystems easy postcard 2018 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy easy-postcard-2018 || rpm -q easy-postcard-2018 || easy-postcard-2018 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

justsystems ichitaro 2016 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ichitaro-2016 || rpm -q ichitaro-2016 || ichitaro-2016 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

justsystems ichitaro 2017 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ichitaro-2017 || rpm -q ichitaro-2017 || ichitaro-2017 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

justsystems ichitaro 2017 trial version MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ichitaro-2017-trial-version || rpm -q ichitaro-2017-trial-version || ichitaro-2017-trial-version --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-10870?

easy postcard 2016: mitigate or apply the listed mitigation; easy postcard 2017: mitigate or apply the listed mitigation; easy postcard 2018: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-10870 being exploited?

CVE-2017-10870 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-10870 affect?

CVE-2017-10870 affects easy postcard 2016, easy postcard 2017, easy postcard 2018. Severity is high (CVSS 7.8). 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, Ichita

How urgent is CVE-2017-10870?

Priority 45/100. High severity

References

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