CVE-2011-1486: libvirtd in libvirt before 0.9.0 does not use thread-safe error reporting, which allows remote attackers to...

Security readout for executives and security teams

CVE-2011-1486 is a denial-of-service flaw in libvirtd from libvirt before 0.9.0. A remote attacker could trigger simultaneous error reporting across multiple threads and crash the daemon. The main business risk is interruption to virtualization management, not data theft or code execution based on the supplied sources. Exposure is most likely where older libvirt/libvirtd deployments before 0.9.0 remain in use, especially if libvirtd is reachable over a network. The source bundle does not provide reliable CPEs or affected downstream package ranges. Treat as a legacy virtualization availability risk. It is not evidenced as actively exploited, but unpatched management hosts can suffer service disruption if reachable. Address during legacy infrastructure patch review or sooner for internet-exposed management services. Mitigation focus: Upgrade libvirt/libvirtd using applicable vendor security advisories.; Prioritize systems running libvirt before 0.9.0.; Restrict network access to libvirtd management interfaces..

Prepared

Jun 28, 2026, 01:17 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.