How severe is CVE-2008-1030?

CVE-2008-1030 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2008-1030 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-1030?

CVE-2008-1030 primarily affects Apple Mac Os X. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-1030?

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

When was CVE-2008-1030 published?

CVE-2008-1030 was published on 2008-06-02 and last updated on 2026-06-16.

CVE-2008-1030

CVE-2008-1030 is a critical-severity vulnerability in Apple Mac Os X with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apple Mac Os X
Published: 2008-06-02
Last modified: 2026-06-16

Description

Integer overflow in the CFDataReplaceBytes function in the CFData API in CoreFoundation in Apple Mac OS X before 10.5.3 allows context-dependent attackers to execute arbitrary code or cause a denial of service (crash) via an invalid length argument, which triggers a heap-based buffer overflow.

Frequently asked questions

What is CVE-2008-1030?: Integer overflow in the CFDataReplaceBytes function in the CFData API in CoreFoundation in Apple Mac OS X before 10.5.3 allows context-dependent attackers to execute arbitrary code or cause a denial of service (crash) via an invalid length argument, which triggers a heap-based buffer overflow.
How severe is CVE-2008-1030?: CVE-2008-1030 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2008-1030 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1030?: CVE-2008-1030 primarily affects Apple Mac Os X. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-1030?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2008-1030 published?: CVE-2008-1030 was published on 2008-06-02 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:o:apple:mac_os_x:10.4.11:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.5.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.5.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.4.11:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.2:*:*:*:*:*:*:*

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