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CVE-2016-4001

29
FAUCET Score

CVE-2016-4001 describes a buffer overflow vulnerability in the stellaris_enet_receive function of QEMU's Stellaris ethernet controller, impacting QEMU, Canonical, Debian, and Fedora Project when configured for large packets. This high-severity vulnerability (CVSS 8.6) allows remote, unauthenticated attackers to cause a denial of service (QEMU crash) with low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting it has not garnered widespread attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.5.1.1CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:2.6.0:rc0:*:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:2.6.0:rc1:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.90%
Probability of exploitation in next 30 days
EPSS Percentile
91.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0490 is in the 85th percentile among its peer group of 51,506 CVEs.

Social Chatter

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

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kvm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: qemu-kvm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: qemu-kvm

Vendor Advisories (1)

redhatCVE-2016-4001Moderate

Qemu: net: buffer overflow in stellaris_enet emulator

Apr 7, 2016

References

git.qemu.org
lists.fedoraproject.org / pipermail/package-announce/2016-April/183275.html
Third Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2016-May/183350.html
Third Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2016-May/184209.html
Third Party Advisory
lists.debian.org / debian-lts-announce/2018/11/msg00038.html
Mailing ListThird Party Advisory
lists.gnu.org / archive/html/qemu-devel/2016-04/msg01334.html
PatchThird Party Advisory
security.gentoo.org / glsa/201609-01
Third Party Advisory
openwall.com / lists/oss-security/2016/04/11/4
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2016/04/12/6
Mailing ListThird Party Advisory
securityfocus.com / bid/85976
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2974-1
Third Party Advisory