How severe is CVE-2014-5263?

CVE-2014-5263 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2014-5263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-5263?

CVE-2014-5263 affects Qemu. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-5263?

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

When was CVE-2014-5263 published?

CVE-2014-5263 was published on 2014-08-26 and last updated on 2026-06-17.

CVE-2014-5263

CVE-2014-5263 is a medium-severity vulnerability in Qemu with a CVSS 2.0 base score of 6.8. 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-119.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Qemu
Published: 2014-08-26
Last modified: 2026-06-17

Description

vmstate_xhci_event in hw/usb/hcd-xhci.c in QEMU 1.6.0 does not terminate the list with the VMSTATE_END_OF_LIST macro, which allows attackers to cause a denial of service (out-of-bounds access, infinite loop, and memory corruption) and possibly gain privileges via unspecified vectors.

Frequently asked questions

What is CVE-2014-5263?: vmstate_xhci_event in hw/usb/hcd-xhci.c in QEMU 1.6.0 does not terminate the list with the VMSTATE_END_OF_LIST macro, which allows attackers to cause a denial of service (out-of-bounds access, infinite loop, and memory corruption) and possibly gain privileges via unspecified vectors.
How severe is CVE-2014-5263?: CVE-2014-5263 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2014-5263 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-5263?: CVE-2014-5263 affects Qemu. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-5263?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-5263 published?: CVE-2014-5263 was published on 2014-08-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:qemu:qemu:1.6.0:*:*:*:*:*:*:*

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