How severe is CVE-2006-6173?

CVE-2006-6173 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2006-6173 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6173?

CVE-2006-6173 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-6173?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2006-6173 published?

CVE-2006-6173 was published on 2006-11-30 and last updated on 2026-06-16.

CVE-2006-6173

CVE-2006-6173 is a high-severity vulnerability in Apple Mac Os X with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Mac Os X
Published: 2006-11-30
Last modified: 2026-06-16

Description

Buffer overflow in the shared_region_make_private_np function in vm/vm_unix.c in Mac OS X 10.4.6 and earlier allows local users to execute arbitrary code via (1) a small range count, which causes insufficient memory allocation, or (2) a large number of ranges in the shared_region_make_private_np_args parameter.

Frequently asked questions

What is CVE-2006-6173?: Buffer overflow in the shared_region_make_private_np function in vm/vm_unix.c in Mac OS X 10.4.6 and earlier allows local users to execute arbitrary code via (1) a small range count, which causes insufficient memory allocation, or (2) a large number of ranges in the shared_region_make_private_np_args parameter.
How severe is CVE-2006-6173?: CVE-2006-6173 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2006-6173 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6173?: CVE-2006-6173 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-6173?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-6173 published?: CVE-2006-6173 was published on 2006-11-30 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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