CVE-2006-4400

CVE-2006-4400 is a medium-severity vulnerability in Apple Mac Os X with a CVSS 2.0 base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Stack-based buffer overflow in the Apple Type Services (ATS) server in Mac OS 10.4.8 and earlier allow user-assisted attackers to execute arbitrary code via crafted font files.

Frequently asked questions

What is CVE-2006-4400?
Stack-based buffer overflow in the Apple Type Services (ATS) server in Mac OS 10.4.8 and earlier allow user-assisted attackers to execute arbitrary code via crafted font files.
How severe is CVE-2006-4400?
CVE-2006-4400 has a CVSS 2.0 base score of 5.1, rated medium severity.
Is CVE-2006-4400 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4400?
CVE-2006-4400 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-4400?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4400 published?
CVE-2006-4400 was published on 2006-11-30 and last updated on 2026-06-16.

References

Affected products (1)

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