CVE-2008-1944: Xensource Xen

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer (PVFB) Message 3.0 through 3.0.3 allows local users to cause a denial of service (SDL crash) and possibly execute arbitrary code via "bogus screen updates," related to missing validation of the "format of messages."

Affected products

• Xensource Xen: version 3.0 only; version 3.0.3 only

Published 2008-05-14. Last modified 2026-06-16.