CVE-2018-1064
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.85% probability · 87th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- debian/debian linux · redhat/libvirt
- Source
- secalert@redhat.com
EPSS 2.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://access.redhat.com/errata/RHSA-2018:1396
- https://access.redhat.com/errata/RHSA-2018:1929
- https://bugzilla.redhat.com/show_bug.cgi?id=1550672Issue Tracking, Patch, Third Party Advisory
- https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=fbf31e1a4cd19d6f6e33e0937a009775cd7d9513
- https://lists.debian.org/debian-lts-announce/2018/03/msg00018.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3680-1/
- https://www.debian.org/security/2018/dsa-4137Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1396
- https://access.redhat.com/errata/RHSA-2018:1929
- https://bugzilla.redhat.com/show_bug.cgi?id=1550672Issue Tracking, Patch, Third Party Advisory
- https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=fbf31e1a4cd19d6f6e33e0937a009775cd7d9513
- https://lists.debian.org/debian-lts-announce/2018/03/msg00018.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3680-1/
- https://www.debian.org/security/2018/dsa-4137Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.