How severe is CVE-2013-4148?

CVE-2013-4148 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2013-4148 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4148?

CVE-2013-4148 primarily affects Qemu. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4148?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-4148 published?

CVE-2013-4148 was published on 2014-11-04 and last updated on 2026-06-16.

CVE-2013-4148

CVE-2013-4148 is a high-severity vulnerability in Qemu with a CVSS 2.0 base score of 7.5. 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-189.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Qemu
Published: 2014-11-04
Last modified: 2026-06-16

Description

Integer signedness error in the virtio_net_load function in hw/net/virtio-net.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers a buffer overflow.

Frequently asked questions

What is CVE-2013-4148?: Integer signedness error in the virtio_net_load function in hw/net/virtio-net.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers a buffer overflow.
How severe is CVE-2013-4148?: CVE-2013-4148 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2013-4148 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4148?: CVE-2013-4148 primarily affects Qemu. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4148?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-4148 published?: CVE-2013-4148 was published on 2014-11-04 and last updated on 2026-06-16.

References

Affected products (27)

cpe:2.3:a:qemu:qemu:1.0:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.0:rc1:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.0:rc2:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.0:rc3:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.0:rc4:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.1:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.1:rc1:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.1:rc2:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.1:rc3:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.1:rc4:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.5.0:rc2:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.5.0:rc3:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.5.3:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.6.0:rc1:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.6.0:rc2:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.6.0:rc3:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.6.1:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.6.2:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.7.1:*:*:*:*:*:*:*

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