VulnerabilityModified

CVE-2018-5748

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

HIGH 7.5EPSS 3.17%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

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: 3.17% probability · 88th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-400
Affected: redhat/libvirt · debian/debian linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus · redhat/enterprise linux workstation
Source: cve@mitre.org

EPSS trend

EPSS 3.2% 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

http://www.securityfocus.com/bid/102825Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:1396Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1929Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00018.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2018/dsa-4137Third Party Advisory
https://www.redhat.com/archives/libvir-list/2018-January/msg00527.htmlPatch, Third Party Advisory
http://www.securityfocus.com/bid/102825Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:1396Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1929Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00018.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2018/dsa-4137Third Party Advisory
https://www.redhat.com/archives/libvir-list/2018-January/msg00527.htmlPatch, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.