CVE-2006-6875: Openser

High severity, CVSS 7.5. EPSS: 3% chance of exploitation in the next 30 days.

Buffer overflow in the validateospheader function in the Open Settlement Protocol (OSP) module in OpenSER 1.1.0 and earlier allows remote attackers to execute arbitrary code via a crafted OSP header.

Affected products

• Openser Openser: up to and including 1.1.0
• Openser Openser Osp Module: up to and including 1.1

Published 2006-12-31. Last modified 2026-06-16.