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CVE-2014-5263

22
FAUCET Score

CVE-2014-5263 describes an out-of-bounds access vulnerability in QEMU version 1.6.0, specifically within the vmstate_xhci_event function in hw/usb/hcd-xhci.c. This flaw, caused by a missing VMSTATE_END_OF_LIST macro, allows attackers to trigger a denial of service, memory corruption, and potentially gain privileges. With a CVSS score of 6.8, it is considered a medium-severity vulnerability that can be exploited remotely with medium attack complexity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.6.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:1.6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.57%
Probability of exploitation in next 30 days
EPSS Percentile
72.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0157 is in the 48th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2014-5263Low

qemu: missing field list terminator in vmstate_xhci_event

Jul 22, 2014

References

git.qemu.org
bugzilla.redhat.com / show_bug.cgi
openwall.com / lists/oss-security/2014/08/04/1
Patch
openwall.com / lists/oss-security/2014/08/16/1
ubuntu.com / usn/USN-2409-1