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.
CVE-2007-6276
NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 9%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 94.7%
- KEV
- Not listed
Published
December 7, 2007
Last Modified
April 23, 2026
References (20)
- cve@mitrehttp://lists.apple.com/archives/security-announce/2008//Jun/msg00002.html
- cve@mitrehttp://secunia.com/advisories/27938
- cve@mitrehttp://secunia.com/advisories/30802
- cve@mitrehttp://support.apple.com/kb/HT2163
- cve@mitrehttp://www.securityfocus.com/bid/26699
- cve@mitrehttp://www.securitytracker.com/id?1019052
- cve@mitrehttp://www.vupen.com/english/advisories/2007/4145
- cve@mitrehttp://www.vupen.com/english/advisories/2008/1981/references
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/38855
- cve@mitrehttps://www.exploit-db.com/exploits/4690
- af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2008//Jun/msg00002.html
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/27938
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/30802
- af854a3a-2127-422b-91ae-364da2661108http://support.apple.com/kb/HT2163
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/26699
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-4690✓ verifiedFirst seen Dec 4, 2007
Apple Mac OSX 10.5.0 (Leopard) - vpnd Remote Denial of Service (PoC)
Open source ↗
Frequently asked(4)
What is CVE-2007-6276?
CVE-2007-6276 is a none vulnerability published on December 7, 2007. 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.
When was CVE-2007-6276 disclosed?
CVE-2007-6276 was first published in the National Vulnerability Database on December 7, 2007, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2007-6276 actively exploited?
CVE-2007-6276 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2007-6276?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-6276, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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