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CVE-2013-4149

21
FAUCET Score

CVE-2013-4149 describes a buffer overflow vulnerability in the virtio_net_load function of QEMU versions 1.3.0 through 1.7.1. This flaw allows remote attackers to execute arbitrary code by supplying a large MAC table. With a CVSS score of 7.5, it is considered highly severe, enabling network-based attacks with low complexity and potential for partial confidentiality, integrity, and availability compromise. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:1.3.0:*:*:*:*:*:*:*
1.3.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:1.3.0:rc0:*:*:*:*:*:*
1.3.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:1.3.0:rc1:*:*:*:*:*:*
1.3.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:1.3.0:rc2:*:*:*:*:*:*
1.3.1CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:1.3.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.26%
Probability of exploitation in next 30 days
EPSS Percentile
91.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0526 is in the 85th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: qemu-kvm-10:1.5.3-60.el7_0.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7Fixed in: qemu-kvm-rhev-10:1.5.3-60.el7_0.7
View patch

Vendor Advisories (1)

redhatCVE-2013-4149Moderate

qemu: virtio-net: out-of-bounds buffer write on load

Dec 3, 2013

References

git.qemu.org
lists.fedoraproject.org / pipermail/package-announce/2014-May/133345.html
lists.nongnu.org / archive/html/qemu-stable/2014-07/msg00187.html
Patch
rhn.redhat.com / errata/RHSA-2014-0927.html
PatchVendor Advisory