CVE-2016-4002

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 6%CVSS: 9.8Exploit: None knownExposed: 0

A fix is available — apply it.

Buffer overflow in the mipsnet_receive function in hw/net/mipsnet.c in QEMU, when the guest NIC is configured to accept large packets, allows remote attackers to cause a denial of service (memory corruption and QEMU crash) or possibly execute arbitrary code via a packet larger than 1514 bytes.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
51(Track)
EG Risk 51/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation6% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
6%
EPSS %ILE
93%
KEV
Not listed

Published

April 26, 2016

Last Modified

June 17, 2026

Advisory Details (6)

Auto-updated Aug 18, 2026
Patch available. Sources: redhat.
generic

[Qemu-devel] [PATCH] net: mipsnet: check packet length against buffer

https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg01131.html
generic Patch Available

[SECURITY] [DLA 1599-1] qemu security update

https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
redhat Patch Available

1326082 – (CVE-2016-4002) CVE-2016-4002 Qemu: net: buffer overflow in MIPSnet emulator

https://bugzilla.redhat.com/show_bug.cgi?id=1326082
generic

CVE-2016-4002 — PSIRT.COM

http://www.securityfocus.com/bid/85992
generic

oss-security - Re: CVE Request: Qemu: net: buffer overflow in MIPSnet emulator

http://www.openwall.com/lists/oss-security/2016/04/12/7
generic

oss-security - CVE Request: Qemu: net: buffer overflow in MIPSnet emulator

http://www.openwall.com/lists/oss-security/2016/04/11/6

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuqemu-system-x86 (1:2.3+dfsg-5ubuntu9.4) @ wily2026-05-20ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
qemu—1:2.6+dfsg-2—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
qemu—1:2.6+dfsg-2—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
qemu—1:2.6+dfsg-2—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
qemu—1:2.6+dfsg-2—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
qemu1:2.1+dfsg-11 ... 1:2.1+dfsg-12~bpo70+1 (13 versions)1:2.1+dfsg-12+deb8u8—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 5× in last 7d / 23× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 136 total refreshes for this CVE.

  1. 2026-08-19 16:59 UTCEPSS rescore
  2. 2026-08-18 13:43 UTCEPSS rescore
  3. 2026-08-16 14:51 UTCEPSS rescore
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  21. 2026-07-25 11:41 UTCOSV refresh
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  23. 2026-07-23 01:23 UTCEG score recompute
  24. 2026-07-22 22:02 UTCEG score recompute
  25. 2026-07-22 14:04 UTCEPSS rescore
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  1. 2026-07-21 15:21 UTCEPSS rescore
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  21. 2026-07-08 15:10 UTCEPSS rescore
  22. 2026-07-08 06:05 UTCOSV refresh
  23. 2026-07-07 13:42 UTCEPSS rescore
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  45. 2026-06-19 17:55 UTCOSV refresh
  46. 2026-06-18 17:50 UTCEPSS rescore
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  73. 2026-05-30 23:23 UTCOSV refresh
  74. 2026-05-29 13:41 UTCEPSS rescore
  75. 2026-05-28 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2016-4002?
CVE-2016-4002 is a critical vulnerability published on April 26, 2016. Buffer overflow in the mipsnet_receive function in hw/net/mipsnet.c in QEMU, when the guest NIC is configured to accept large packets, allows remote attackers to cause a denial of service (memory corruption and QEMU crash) or possibly execute arbitrary code via a packet larger than 1514 bytes.
When was CVE-2016-4002 disclosed?
CVE-2016-4002 was first published in the National Vulnerability Database on April 26, 2016, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-4002 actively exploited?
CVE-2016-4002 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6% probability of exploitation in the next 30 days, which ranks it in the top 6.9% of all scored CVEs.
What is the CVSS score of CVE-2016-4002?
CVE-2016-4002 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2016-4002?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-4002, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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