CVE-2016-4001: canonical ubuntu_linux
Vulnerability summary
CVE-2016-4001 is a high (CVSS 8.6) vulnerability in canonical ubuntu_linux. EPSS estimates a 4.90% chance of exploitation in the next 30 days, higher than 92.1% of scored vulnerabilities.
Severe, CVSS 8.6 (NVD); no exploitation reported by the 5 checked sources; EPSS 5% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 12 · Related 10Timeline
- 23-05-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Buffer overflow in the stellaris_enet_receive function in hw/net/stellaris_enet.c in QEMU, when the Stellaris ethernet controller is configured to accept large packets, allows remote attackers to cause a denial of service (QEMU crash) via a large packet.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated8.6HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated8.6HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS trend
Probability
4.90%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.90% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- qemu< 1:2.6+dfsg-1
- debian_linuxEOL8.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 15.10 | 16.04
Fedoraproject1 product
- fedoraEOL22 | 23 | 24
Qemu1 product
- qemu≤ 2.5.1.1 | 2.6.0:rc0 | 2.6.0:rc1
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.24 | < 1:2.5+dfsg-5ubuntu10.1
5 vendors · 6 products
References
15 links- lists.gnu.org/archive/html/qemu-devel/2016-04/msg01334.htmlMailing ListX Refsource MLISTPatchThird Party AdvisoryREPORT
- www.openwall.com/lists/oss-security/2016/04/11/4Mailing ListX Refsource MLISTThird Party AdvisoryREPORT
- lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
Show all 15 references
lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListX Refsource MLISTThird Party Advisory