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TI-2013-03626 Aliases CVE-2013-4153GHSA-rgq3-5v68-49wc

Double free vulnerability in the qemuAgentGetVCPUs function in qemu/qemu_agent.c in…

Priority LOW 26CWE-399Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

Double free vulnerability in the qemuAgentGetVCPUs function in qemu/qemu_agent.c in libvirt 1.0.6 through 1.1.0 allows remote attackers to cause a denial of service (daemon crash) via a cpu count request, as demonstrated by the "virsh vcpucount dom --guest" command.

Why it matters now

EPSS 0.01676 77th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:redhat:libvirt:1.0.6:*:*:*:*:*:*:*1.0.6VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:1.1.0:*:*:*:*:*:*:*1.1.0VulnerableRed Hat
  • cpe:2.3:a:redhat:libvirt:1.0.6:*:*:*:*:*:*:* Versions 1.0.6 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:1.1.0:*:*:*:*:*:*:* Versions 1.1.0 Vulnerable ·Red Hat

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2013-4153
  2. 2026-10-03 Alias added: GHSA-rgq3-5v68-49wc

References

  • TI-2016-04328 libvirt before 2.0.0 improperly disables password checking when the password on a VNC… CVSS 3.0CRITICAL 9.8
  • TI-2019-07455 Incorrect permission assignment in libvirt CVSS 3.0HIGH 8.8
  • TI-2013-03857 The virConnectDomainXMLToNative API function in libvirt 1.1.0 through 1.1.3 checks for… CVSS 2.0HIGH 8.5
  • TI-2018-04154 qemu/qemu_monitor.c in libvirt allows attackers to cause a denial of service (memory… CVSS 3.0HIGH 7.5
  • TI-2017-14571 libvirt version 2.3.0 and later is vulnerable to a bad default configuration of… CVSS 3.1HIGH 8.1
  • TI-2013-00105 Use-after-free vulnerability in the virNetMessageFree function in… CVSS 2.0MEDIUM 6.8
See all 72 →

Sources