CVE-2016-4002

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-04-26 · updated 2026-06-17
Weakness: CWE-120

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.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 15.10, 16.04
Debian Linux: 8.0
Fedoraproject Fedora: 22, 23, 24
QEMU: through 2.6.2

References

http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.html
http://www.openwall.com/lists/oss-security/2016/04/11/6
http://www.openwall.com/lists/oss-security/2016/04/12/7
http://www.securityfocus.com/bid/85992
http://www.ubuntu.com/usn/USN-2974-1
https://bugzilla.redhat.com/show_bug.cgi?id=1326082
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg01131.html
https://security.gentoo.org/glsa/201609-01
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html

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