CVE-2010-1424: Unspecified vulnerability in JustSystems Ichitaro and Ichitaro Government 2006 through 2010 allows user-assist

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HIGH 9.3DOWNGRADE

CVE-2010-1424 is a high-severity flaw (CVSS 9.3) affecting ichitaro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in JustSystems Ichitaro and Ichitaro Government 2006 through 2010 allows user-assisted remote attackers to execute arbitrary code via a crafted font file.

Why this priority

Critical severity
EPSS top 9%: very likely to be exploited

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	4.0% (top 9%)
CISA exploited list	No
Published	2010-04-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: justsystems

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2010-04-15 21:30 UTCPublished CVE record published
2026-06-16 23:18 UTCUpdated Record last modified

justsystems ichitaro DOWNGRADE

Affected: 2006 · 2007 · 2008 · 2009 · 2010

Fixed in: no fixed release known

Safe to downgrade to: a release before 2006

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2006 (Debian / Ubuntu)

apt-cache madison ichitaro sudo apt install ichitaro=<VERSION_BEFORE_2006> sudo apt-mark hold ichitaro

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ichitaro sudo dnf downgrade ichitaro-<VERSION_BEFORE_2006> sudo dnf versionlock add ichitaro

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2010-1424?

ichitaro: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2010-1424 being exploited?

CVE-2010-1424 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-2010-1424 affect?

CVE-2010-1424 affects ichitaro. Severity is high (CVSS 9.3). Unspecified vulnerability in JustSystems Ichitaro and Ichitaro Government 2006 through 2010 allows user-assisted remote attackers to execute arbitrary code via a crafted font file.

How urgent is CVE-2010-1424?

Priority 55/100. Critical severity; EPSS top 9%: very likely to be exploited

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References

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