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EPSS 0.2%top 93%

security update for libvirt

0
High
VulnerabilityCVE-2026-18917gcveosvghsa-6jq9-9f7w-h7mccve-2026-18917ghsaubuntu-cve-2026-18917ubuntu-pro-14-04-ltsubuntu-pro-16-04-ltsubuntu-pro-18-04-ltsubuntu-pro-20-04-ltsubuntu-22-04-ltsubuntu-24-04-ltsubuntu-26-04-ltscsafmicrosoft-security-response-cecve-2026-61477cve-2026-63622cve-2026-63623cve-2026-77159suse-product-security-teamred-hat-product-security
Published: 10/01/2026 (10/01/2026, 00:00:00 UTC)
Source: GCVE Database
Vendor/Project: SUSE Product Security Team
Product: SUSE

Description

This security update provides a functional equivalent of RHSA-2026:74424. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2026:74424.

Affected software

Ubuntu:Pro:14.04:LTSmore threats →ghsa
libvirt
pkg:deb/ubuntu/libvirt?arch=source&distro=esm-infra-legacy/trusty
Affected versions
=1.1.1-0ubuntu8=1.1.1-0ubuntu9=1.1.4-0ubuntu2=1.1.4-0ubuntu3=1.1.4-0ubuntu4=1.1.4-0ubuntu5=1.2.0-0ubuntu1=1.2.0-0ubuntu2=1.2.0-0ubuntu3=1.2.1-0ubuntu1=1.2.1-0ubuntu2=1.2.1-0ubuntu3=1.2.1-0ubuntu4=1.2.1-0ubuntu5=1.2.1-0ubuntu7=1.2.1-0ubuntu8=1.2.1-0ubuntu9=1.2.1-0ubuntu10=1.2.2-0ubuntu1=1.2.2-0ubuntu2=1.2.2-0ubuntu3=1.2.2-0ubuntu4=1.2.2-0ubuntu5=1.2.2-0ubuntu6=1.2.2-0ubuntu7=1.2.2-0ubuntu8=1.2.2-0ubuntu9=1.2.2-0ubuntu10=1.2.2-0ubuntu11=1.2.2-0ubuntu12=1.2.2-0ubuntu13=1.2.2-0ubuntu13.1=1.2.2-0ubuntu13.1.1=1.2.2-0ubuntu13.1.2=1.2.2-0ubuntu13.1.4=1.2.2-0ubuntu13.1.5=1.2.2-0ubuntu13.1.6=1.2.2-0ubuntu13.1.7=1.2.2-0ubuntu13.1.8=1.2.2-0ubuntu13.1.9=1.2.2-0ubuntu13.1.10=1.2.2-0ubuntu13.1.12=1.2.2-0ubuntu13.1.14=1.2.2-0ubuntu13.1.16=1.2.2-0ubuntu13.1.17=1.2.2-0ubuntu13.1.20=1.2.2-0ubuntu13.1.21=1.2.2-0ubuntu13.1.22=1.2.2-0ubuntu13.1.23=1.2.2-0ubuntu13.1.25=1.2.2-0ubuntu13.1.26=1.2.2-0ubuntu13.1.27=1.2.2-0ubuntu13.1.28=1.2.2-0ubuntu13.1.28+esm1=1.2.2-0ubuntu13.1.28+esm2
Ubuntu:Pro:16.04:LTSmore threats →ghsa
libvirt
pkg:deb/ubuntu/libvirt?arch=source&distro=esm-infra-legacy/xenial
Affected versions
=1.2.16-2ubuntu11=1.2.16-2ubuntu12=1.2.16-2ubuntu13=1.2.16-2ubuntu14=1.2.21-2ubuntu1=1.2.21-2ubuntu3=1.2.21-2ubuntu4=1.2.21-2ubuntu5=1.2.21-2ubuntu7=1.2.21-2ubuntu8=1.2.21-2ubuntu9=1.2.21-2ubuntu10=1.3.1-1ubuntu1=1.3.1-1ubuntu2=1.3.1-1ubuntu3=1.3.1-1ubuntu4=1.3.1-1ubuntu6=1.3.1-1ubuntu9=1.3.1-1ubuntu10=1.3.1-1ubuntu10.1=1.3.1-1ubuntu10.2=1.3.1-1ubuntu10.3=1.3.1-1ubuntu10.5=1.3.1-1ubuntu10.6=1.3.1-1ubuntu10.7=1.3.1-1ubuntu10.8=1.3.1-1ubuntu10.10=1.3.1-1ubuntu10.11=1.3.1-1ubuntu10.12=1.3.1-1ubuntu10.13=1.3.1-1ubuntu10.14=1.3.1-1ubuntu10.15=1.3.1-1ubuntu10.17=1.3.1-1ubuntu10.18=1.3.1-1ubuntu10.19=1.3.1-1ubuntu10.21=1.3.1-1ubuntu10.22=1.3.1-1ubuntu10.23=1.3.1-1ubuntu10.24=1.3.1-1ubuntu10.25=1.3.1-1ubuntu10.26=1.3.1-1ubuntu10.27=1.3.1-1ubuntu10.29=1.3.1-1ubuntu10.30=1.3.1-1ubuntu10.31=1.3.1-1ubuntu10.31+esm1
Ubuntu:Pro:18.04:LTSmore threats →ghsa
libvirt
pkg:deb/ubuntu/libvirt?arch=source&distro=esm-infra/bionic
Affected versions
=3.6.0-1ubuntu5=3.6.0-1ubuntu6=4.0.0-1ubuntu1=4.0.0-1ubuntu2=4.0.0-1ubuntu3=4.0.0-1ubuntu4=4.0.0-1ubuntu5=4.0.0-1ubuntu6=4.0.0-1ubuntu7=4.0.0-1ubuntu8=4.0.0-1ubuntu8.1=4.0.0-1ubuntu8.2=4.0.0-1ubuntu8.3=4.0.0-1ubuntu8.4=4.0.0-1ubuntu8.5=4.0.0-1ubuntu8.6=4.0.0-1ubuntu8.7=4.0.0-1ubuntu8.8=4.0.0-1ubuntu8.9=4.0.0-1ubuntu8.10=4.0.0-1ubuntu8.11=4.0.0-1ubuntu8.12=4.0.0-1ubuntu8.13=4.0.0-1ubuntu8.14=4.0.0-1ubuntu8.15=4.0.0-1ubuntu8.16=4.0.0-1ubuntu8.17=4.0.0-1ubuntu8.19=4.0.0-1ubuntu8.20=4.0.0-1ubuntu8.21=4.0.0-1ubuntu8.21+esm1
Ubuntu:Pro:20.04:LTSmore threats →ghsa
libvirt
pkg:deb/ubuntu/libvirt?arch=source&distro=esm-infra/focal
Affected versions
=5.4.0-0ubuntu5=6.0.0-0ubuntu1=6.0.0-0ubuntu2=6.0.0-0ubuntu3=6.0.0-0ubuntu4=6.0.0-0ubuntu5=6.0.0-0ubuntu6=6.0.0-0ubuntu7=6.0.0-0ubuntu8=6.0.0-0ubuntu8.1=6.0.0-0ubuntu8.2=6.0.0-0ubuntu8.3=6.0.0-0ubuntu8.4=6.0.0-0ubuntu8.5=6.0.0-0ubuntu8.7=6.0.0-0ubuntu8.8=6.0.0-0ubuntu8.9=6.0.0-0ubuntu8.10=6.0.0-0ubuntu8.11=6.0.0-0ubuntu8.12=6.0.0-0ubuntu8.13=6.0.0-0ubuntu8.14=6.0.0-0ubuntu8.15=6.0.0-0ubuntu8.16=6.0.0-0ubuntu8.19=6.0.0-0ubuntu8.20=6.0.0-0ubuntu8.20+esm1
Ubuntu:22.04:LTSmore threats →ghsa
libvirt
pkg:deb/ubuntu/libvirt?arch=source&distro=jammy
Affected versions
=7.6.0-0ubuntu1=7.6.0-0ubuntu3=8.0.0-1ubuntu3=8.0.0-1ubuntu4=8.0.0-1ubuntu5=8.0.0-1ubuntu6=8.0.0-1ubuntu7=8.0.0-1ubuntu7.1=8.0.0-1ubuntu7.2=8.0.0-1ubuntu7.3=8.0.0-1ubuntu7.4=8.0.0-1ubuntu7.5=8.0.0-1ubuntu7.6=8.0.0-1ubuntu7.7=8.0.0-1ubuntu7.8=8.0.0-1ubuntu7.9=8.0.0-1ubuntu7.10=8.0.0-1ubuntu7.11=8.0.0-1ubuntu7.12=8.0.0-1ubuntu7.13=8.0.0-1ubuntu7.14=8.0.0-1ubuntu7.15=8.0.0-1ubuntu7.16=8.0.0-1ubuntu7.17=8.0.0-1ubuntu7.18=8.0.0-1ubuntu7.19=8.0.0-1ubuntu7.20
Ubuntu:24.04:LTSmore threats →ghsa
libvirt
pkg:deb/ubuntu/libvirt?arch=source&distro=noble
Affected versions
=9.6.0-1ubuntu1=9.6.0-1ubuntu2=10.0.0-1ubuntu1=10.0.0-2ubuntu1=10.0.0-2ubuntu5=10.0.0-2ubuntu7=10.0.0-2ubuntu8=10.0.0-2ubuntu8.1=10.0.0-2ubuntu8.2=10.0.0-2ubuntu8.3=10.0.0-2ubuntu8.4=10.0.0-2ubuntu8.5=10.0.0-2ubuntu8.6=10.0.0-2ubuntu8.7=10.0.0-2ubuntu8.8=10.0.0-2ubuntu8.9=10.0.0-2ubuntu8.10=10.0.0-2ubuntu8.11=10.0.0-2ubuntu8.12=10.0.0-2ubuntu8.13=10.0.0-2ubuntu8.14=10.0.0-2ubuntu8.15=10.0.0-2ubuntu8.16=10.0.0-2ubuntu8.17
Ubuntu:26.04:LTSmore threats →ghsa
libvirt
pkg:deb/ubuntu/libvirt?arch=source&distro=resolute
Affected versions
=11.6.0-1ubuntu3=11.6.0-1ubuntu5=11.6.0-1ubuntu6=11.6.0-1ubuntu7=11.6.0-1ubuntu8=12.0.0-1ubuntu3=12.0.0-1ubuntu5=12.0.0-1ubuntu5.1=12.0.0-1ubuntu5.2=12.0.0-1ubuntu5.3=12.0.0-1ubuntu5.4
Ubuntu:26.04:LTSmore threats →ghsa
libvirt-hwe
pkg:deb/ubuntu/libvirt-hwe?arch=source&distro=resolute
Affected versions
=12.0.0-1ubuntu5=12.0.0-1ubuntu5.1=12.0.0-1ubuntu5.2=12.0.0-1ubuntu5.3

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-6jq9-9f7w-h7mc
Osv Schema Version
1.4.0
Aliases
["CVE-2026-18917"]
Database Specific Severity
HIGH
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a870a4facd9273b49b58503

Added to database: 08/20/2026, 14:08:15 UTC

Last enriched: 09/14/2026, 01:10:18 UTC

Last updated: 10/04/2026, 18:55:08 UTC

Views: 120

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External Links

NVD DatabaseMITRE CVEReference 1Reference 2Reference 3Reference 4Reference 5CVE-2026-18917 Libvirt: integer overflow in nodegetfreepages rpc handler leading to heap buffer overflow - VEXMicrosoft Support LifecycleCommon Vulnerability Scoring SystemSUSE ratingsURL of this CSAF noticeSUSE Bug 1274576SUSE Bug 1274946SUSE Bug 1275264SUSE Bug 1275265SUSE Bug 1275863SUSE CVE CVE-2026-18917 pageSUSE CVE CVE-2026-61477 pageSUSE CVE CVE-2026-63622 pageSUSE CVE CVE-2026-63623 pageSUSE CVE CVE-2026-77159 pageURL of this CSAF noticeURL for SUSE-SU-2026:23603-1E-Mail link for SUSE-SU-2026:23603-1https://access.redhat.com/errata/RHSA-2026:74424https://access.redhat.com/security/updates/classification/#important2513065Canonical URLURL of this CSAF noticeURL for RHSA-2026:74424E-Mail link for RHSA-2026:74424Search on Google

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