CVE-2008-2499: IBM Lotus Sametime

High severity, CVSS 7.5. EPSS: 77.5% chance of exploitation in the next 30 days.

Stack-based buffer overflow in the Community Services Multiplexer (aka MUX or StMux.exe) in IBM Lotus Sametime 7.5.1 CF1 and earlier, and 8.x before 8.0.1, allows remote attackers to execute arbitrary code via a crafted URL.

Affected products

• IBM Lotus Sametime: up to and including 7.5; from 8.0, before 8.0.1 (fixed in 8.0.1); version 7.5.1 only

Published 2008-05-29. Last modified 2026-06-16.