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.Referenceshttps://usn.ubuntu.com/3680-1/https://access.redhat.com/errata/RHSA-2018:1396https://www.debian.org/security/2018/dsa-4137https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=fbf31e1a4cd19d6f6e33e0937a009775cd7d9513https://access.redhat.com/errata/RHSA-2018:1929https://bugzilla.redhat.com/show_bug.cgi?id=1550672https://lists.debian.org/debian-lts-announce/2018/03/msg00018.html
