CVE-2008-5279: Zilab Zim Server

High severity, CVSS 10.0. EPSS: 5.7% chance of exploitation in the next 30 days.

The Local ZIM Server (zcs.exe) in Zilab Chat and Instant Messaging (ZIM) Server 2.1 and earlier allow remote attackers to execute arbitrary code via (1) heap-based buffer overflows involving multiple vectors including a long room name and a long source account, and (2) a stack-based buffer overflow with a long username in an information request. NOTE: some of these details are obtained from third party information.

Affected products

• Zilab Zim Server: up to and including 2.1; version 2.0 only

Published 2008-11-29. Last modified 2026-06-16.