CVE-2019-20485: Debian Linux

Medium severity, CVSS 5.7. EPSS: 0.8% chance of exploitation in the next 30 days.

qemu/qemu_driver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service (API blockage).

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only; version 10.0 only
• Fedoraproject Fedora: version 31 only
• Red Hat Libvirt: before 6.0.0 (fixed in 6.0.0)

Published 2020-03-19. Last modified 2026-06-17.