CVE-2018-5748: debian debian_linux Uncontrolled Resource Consumption
Vulnerability summary
CVE-2018-5748 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in debian debian_linux. EPSS estimates a 3.17% chance of exploitation in the next 30 days, higher than 88% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 6Timeline
- 25-01-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
qemu/qemu_monitor.c in libvirt allows attackers to cause a denial of service (memory consumption) via a large QEMU reply.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
3.17%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.17% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse10 products
- libvirt&distro=SUSE Linux Enterprise Desktop 12 SP2< 2.0.0-27.29.1
- libvirt&distro=SUSE Linux Enterprise Desktop 12 SP3< 3.3.0-5.13.1
- libvirt&distro=SUSE Linux Enterprise Server 12 SP2< 2.0.0-27.29.1
- libvirt&distro=SUSE Linux Enterprise Server 12 SP3< 3.3.0-5.13.1
- libvirt&distro=SUSE Linux Enterprise Server for Raspberry Pi 12 SP2< 2.0.0-27.29.1
Redhat7 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.6
- enterprise_linux_server_eus7.5 | 7.6
- enterprise_linux_server_tus7.6
Debian2 products
- libvirt< 4.0.0-1
- debian_linuxEOL7.0 | 8.0 | 9.0
Ubuntu1 product
- libvirt< 1.2.2-0ubuntu13.1.26 | < 1.3.1-1ubuntu10.19
4 vendors · 20 products
References
24 links
- www.redhat.com/archives/libvir-list/2018-January/msg00527.htmlMailing ListX Refsource MLISTPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/03/msg00018.htmlMailing ListX Refsource MLISTThird Party Advisory