CVE-2011-2511: Red Hat Libvirt

Medium severity, CVSS 4.0. EPSS: 3.5% chance of exploitation in the next 30 days.

Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.

Affected products

• Red Hat Libvirt: up to and including 0.9.2; version 0.0.1 only; version 0.0.2 only; version 0.0.3 only; version 0.0.4 only; version 0.0.5 only; …

Published 2011-08-10. Last modified 2026-06-16.