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Fencer Intel
medium 5.5

CVE-2016-3712 json

Integer overflow in the VGA module in QEMU allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process cr…

published 2016-05-11 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-4733

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

Integer overflow in the VGA module in QEMU allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) by editing VGA registers in VBE mode.

Patch / fix

  • xen Debian 14, Debian 13, Debian 12 4.4.0-1
  • qemu Debian 14, Debian 13, Debian 12 1:2.6+dfsg-1

debian advisories DEBIAN-CVE-2016-3712

  • qemu Ubuntu 14.04 LTS 2.0.0+dfsg-2ubuntu1.24
  • qemu Ubuntu 16.04 LTS 1:2.5+dfsg-5ubuntu10.1

ubuntu advisories UBUNTU-CVE-2016-3712

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • qemu-kvm RHEL 6 2:0.12.1.2-2.503.el6
  • qemu-img RHEL 6 2:0.12.1.2-2.503.el6
  • qemu-kvm-tools RHEL 6 2:0.12.1.2-2.503.el6
  • qemu-guest-agent RHEL 6 2:0.12.1.2-2.503.el6
  • qemu-kvm RHEL 7 10:1.5.3-126.el7
  • qemu-img RHEL 7 10:1.5.3-126.el7
  • qemu-kvm-tools RHEL 7 10:1.5.3-126.el7
  • qemu-kvm-common RHEL 7 10:1.5.3-126.el7

red hat advisories RHSA-2017:0621RHSA-2016:2585

  • xen SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3, OpenStack Cloud 5 +2 more 4.2.5_21-27.1
  • kvm SLES for SAP 11 SP4, SLES 11 SP4 1.4.2-44.1
  • qemu SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 2.3.1-14.1
  • kvm SLES 11 SP3-TERADATA, SLES 11 SP3-LTSS 1.4.2-46.1
  • qemu SLES for SAP 12, SLES 12, SLED 12 2.0.2-48.19.1
  • xen SLES for SAP 12, SLES 12-LTSS 4.4.4_04-22.22.2

suse advisories SUSE-SU-2016:2725-1SUSE-SU-2016:2533-1SUSE-SU-2016:1785-1SUSE-SU-2016:1703-1SUSE-SU-2016:1698-1SUSE-SU-2016:1560-1

  • qemu openSUSE Tumbleweed 2.6.1-1.5
  • qemu-linux-user openSUSE Tumbleweed 2.6.1-1.5

opensuse advisories openSUSE-SU-2024:10233-1openSUSE-SU-2024:10285-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-3712 updated cvss 3.8

qemu-kvm: Out-of-bounds read when creating weird vga screen surface

  • Red Hat Enterprise Linux 5 kvm, xen Red Hat Enterprise Linux 6 qemu-kvm-rhev
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 qemu-kvm-rhev
    affected: no fix available
  • Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) qemu-kvm-rhev Red Hat Enterprise Linux OpenStack Platform 6 (Juno) qemu-kvm-rhev Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) qemu-img-rhev, qemu-kvm-rhev, libcacard-rhev, qemu-kvm-tools-rhev, libcacard-devel-rhev, libcacard-tools-rhev, +1 more Red Hat OpenStack Platform 8 (Liberty) qemu-img-rhev, qemu-kvm-rhev, libcacard-rhev, qemu-kvm-tools-rhev, libcacard-devel-rhev, libcacard-tools-rhev, +1 more
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) qemu-img 1.5.3-126.el7, qemu-kvm 1.5.3-126.el7, qemu-kvm-tools 1.5.3-126.el7, qemu-kvm-common 1.5.3-126.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) qemu-img 1.5.3-126.el7, qemu-kvm 1.5.3-126.el7, qemu-kvm-tools 1.5.3-126.el7, qemu-kvm-common 1.5.3-126.el7
    fixed: vendor fix RHSA-2016:2585
  • Red Hat Enterprise Linux Desktop (v. 6) qemu-img 0.12.1.2-2.503.el6, qemu-kvm 0.12.1.2-2.503.el6, qemu-kvm-tools 0.12.1.2-2.503.el6, qemu-guest-agent 0.12.1.2-2.503.el6 Red Hat Enterprise Linux HPC Node (v. 6) qemu-img 0.12.1.2-2.503.el6, qemu-kvm 0.12.1.2-2.503.el6, qemu-kvm-tools 0.12.1.2-2.503.el6, qemu-guest-agent 0.12.1.2-2.503.el6 Red Hat Enterprise Linux Server (v. 6) qemu-img 0.12.1.2-2.503.el6, qemu-kvm 0.12.1.2-2.503.el6, qemu-kvm-tools 0.12.1.2-2.503.el6, qemu-guest-agent 0.12.1.2-2.503.el6
    fixed: vendor fix RHSA-2017:0621
  • Red Hat Enterprise Linux Server (v. 7) qemu-img 1.5.3-126.el7, qemu-kvm 1.5.3-126.el7, qemu-kvm-tools 1.5.3-126.el7, qemu-kvm-common 1.5.3-126.el7
    fixed: vendor fix RHSA-2016:2585
  • Red Hat Enterprise Linux Workstation (v. 6) qemu-img 0.12.1.2-2.503.el6, qemu-kvm 0.12.1.2-2.503.el6, qemu-kvm-tools 0.12.1.2-2.503.el6, qemu-guest-agent 0.12.1.2-2.503.el6
    fixed: vendor fix RHSA-2017:0621
  • Red Hat Enterprise Linux Workstation (v. 7) qemu-img 1.5.3-126.el7, qemu-kvm 1.5.3-126.el7, qemu-kvm-tools 1.5.3-126.el7, qemu-kvm-common 1.5.3-126.el7
    fixed: vendor fix RHSA-2016:2585

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.