libvirt version before 4.2.0-rc1 is vulnerable to a resource exhaustion as a result of an incomplete fix for CVE-2018-5748 that affects QEMU monitor but now also triggered via QEMU guest agent.
1.1.1-0ubuntu81.1.1-0ubuntu91.1.4-0ubuntu21.1.4-0ubuntu31.1.4-0ubuntu41.1.4-0ubuntu51.2.0-0ubuntu11.2.0-0ubuntu21.2.0-0ubuntu31.2.1-0ubuntu1+41 more1.2.2-0ubuntu13.1.271.2.16-2ubuntu111.2.16-2ubuntu121.2.16-2ubuntu131.2.16-2ubuntu141.2.21-2ubuntu11.2.21-2ubuntu101.2.21-2ubuntu31.2.21-2ubuntu41.2.21-2ubuntu51.2.21-2ubuntu7+28 more1.3.1-1ubuntu10.243.6.0-1ubuntu53.6.0-1ubuntu64.0.0-1ubuntu14.0.0-1ubuntu24.0.0-1ubuntu34.0.0-1ubuntu44.0.0-1ubuntu54.0.0-1ubuntu64.0.0-1ubuntu74.0.0-1ubuntu8+1 more4.0.0-1ubuntu8.2Exploitability
AV:NAC:LPR:NUI:NScope
S:UImpact
C:NI:NA:HCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H