CVE-2007-6276

7.8 HIGH 9% exploit odds Fix listed Denial of service

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 9.1% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2007-12-07 11:46 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:47 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 9.1% in the next 30 days (EPSS).
Severity: 7.8 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2007-12-07 11:46 UTC
Last modified: 2026-06-16 22:47 UTC
Exploit probability: 9.1% · EPSS, next 30 days
Weakness: CWE-189
Record status: Modified

Affected

Apple Mac Os X 10.5
Apple Mac Os X 10.5.1
Apple Mac Os X 10.5.2
Apple Mac Os X 10.5.3
Apple Mac Os X Server 10.5
Apple Mac Os X Server 10.5.1
Apple Mac Os X Server 10.5.2
Apple Mac Os X Server 10.5.3

Attack profile CVSS 2.0 · 7.8

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: None
Integrity: None
Availability: Complete

Raw vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record