CVE-2006-4655

CVE-2006-4655 is a medium-severity vulnerability in Sco Unixware with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Buffer overflow in the Strcmp function in the XKEYBOARD extension in X Window System X11R6.4 and earlier, as used in SCO UnixWare 7.1.3 and Sun Solaris 8 through 10, allows local users to gain privileges via a long _XKB_CHARSET environment variable value.

Frequently asked questions

What is CVE-2006-4655?
Buffer overflow in the Strcmp function in the XKEYBOARD extension in X Window System X11R6.4 and earlier, as used in SCO UnixWare 7.1.3 and Sun Solaris 8 through 10, allows local users to gain privileges via a long _XKB_CHARSET environment variable value.
How severe is CVE-2006-4655?
CVE-2006-4655 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2006-4655 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4655?
CVE-2006-4655 primarily affects Sco Unixware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4655?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4655 published?
CVE-2006-4655 was published on 2006-09-09 and last updated on 2026-06-16.

References

Affected products (7)

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