How severe is CVE-2013-4153?

CVE-2013-4153 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-4153 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4153?

CVE-2013-4153 primarily affects Redhat Libvirt. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4153?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-4153 published?

CVE-2013-4153 was published on 2013-09-30 and last updated on 2026-06-16.

CVE-2013-4153

CVE-2013-4153 is a medium-severity vulnerability in Redhat Libvirt with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Redhat Libvirt
Published: 2013-09-30
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2013-4153?: 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.
How severe is CVE-2013-4153?: CVE-2013-4153 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-4153 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4153?: CVE-2013-4153 primarily affects Redhat Libvirt. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4153?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4153 published?: CVE-2013-4153 was published on 2013-09-30 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:redhat:libvirt:1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libvirt:1.1.0:*:*:*:*:*:*:*

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CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
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