How severe is CVE-2007-6276?

CVE-2007-6276 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2007-6276 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6276?

CVE-2007-6276 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-2007-6276?

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-2007-6276 published?

CVE-2007-6276 was published on 2007-12-07 and last updated on 2026-06-16.

CVE-2007-6276

CVE-2007-6276 is a high-severity vulnerability in Apple Mac Os X with a CVSS 2.0 base score of 7.8. 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-189.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Apple Mac Os X
Published: 2007-12-07
Last modified: 2026-06-16

Description

The accept_connections function in the virtual private network daemon (vpnd) in Apple Mac OS X 10.5 before 10.5.4 allows remote attackers to cause a denial of service (divide-by-zero error and daemon crash) via a crafted load balancing packet to UDP port 4112.

Frequently asked questions

What is CVE-2007-6276?: The accept_connections function in the virtual private network daemon (vpnd) in Apple Mac OS X 10.5 before 10.5.4 allows remote attackers to cause a denial of service (divide-by-zero error and daemon crash) via a crafted load balancing packet to UDP port 4112.
How severe is CVE-2007-6276?: CVE-2007-6276 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2007-6276 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6276?: CVE-2007-6276 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-2007-6276?: 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-2007-6276 published?: CVE-2007-6276 was published on 2007-12-07 and last updated on 2026-06-16.

References

Affected products (8)

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:10.5.3:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.3:*:*:*:*:*:*:*

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