CVE-2018-5748: Debian Linux

High severity, CVSS 7.5. EPSS: 3.2% chance of exploitation in the next 30 days.

qemu/qemu_monitor.c in libvirt allows attackers to cause a denial of service (memory consumption) via a large QEMU reply.

Affected products

• Debian Debian Linux: version 7.0 only; version 8.0 only; version 9.0 only
• Red Hat Enterprise Linux Desktop: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Server: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Server Aus: version 7.6 only
• Red Hat Enterprise Linux Server Eus: version 7.5 only; version 7.6 only
• Red Hat Enterprise Linux Server Tus: version 7.6 only
• Red Hat Enterprise Linux Workstation: version 6.0 only; version 7.0 only
• Red Hat Libvirt: affected versions not specified

Published 2018-01-25. Last modified 2026-06-17.