CVE-2016-4002: canonical ubuntu_linux Classic Buffer Overflow
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2016-4002DEBIAN-CVE-2016-4002
Published 26-04-2016Last modified 06-08-2024
Vulnerability summary
CVE-2016-4002 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in canonical ubuntu_linux. EPSS estimates a 6.34% chance of exploitation in the next 30 days, higher than 93.5% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
6.34%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 14 · Related 12Timeline
- 26-04-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
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 metrics
5 scores · 3 sources · 3 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Critical 9.0Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HSourcesSingle source
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
6.34%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 6.34% on 20-09-2026
20-09-202620-10-2026
EPSS score6.34%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- qemu< 1:2.6+dfsg-2
- debian_linuxEOL8.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 15.10 | 16.04
Fedoraproject1 product
- fedoraEOL22 | 23 | 24
Qemu1 product
- qemu≤ 2.6.2
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.24 | < 1:2.5+dfsg-5ubuntu10.1
5 vendors · 6 products
References
15 links- bugzilla.redhat.com/show_bug.cgi?id=1326082X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
- www.openwall.com/lists/oss-security/2016/04/11/6Mailing ListX Refsource MLISTPatchThird Party AdvisoryREPORT
- 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
- www.openwall.com/lists/oss-security/2016/04/12/7Mailing ListX Refsource MLISTPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListX Refsource MLISTThird Party Advisory
Show all 15 references
- lists.gnu.org/archive/html/qemu-devel/2016-04/msg01131.htmlMailing ListX Refsource MLISTPatchThird Party AdvisoryREPORT