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Fencer Intel
high 7.2

CVE-2015-5225 json

Buffer overflow in the vnc_refresh_server_surface function in the VNC display driver in QEMU before 2.4.0.1 allows guest users to cause a d…

published 2015-11-06 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-5221

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

Buffer overflow in the vnc_refresh_server_surface function in the VNC display driver in QEMU before 2.4.0.1 allows guest users to cause a denial of service (heap memory corruption and process crash) or possibly execute arbitrary code on the host via unspecified vectors, related to refreshing the server display surface.

Patch / fix

  • qemu Debian 14, Debian 13, Debian 12 1:2.4+dfsg-1a

debian advisories DEBIAN-CVE-2015-5225

  • qemu-kvm-rhev RHEL 7, openstack 7, openstack 6 +1 more 10:2.1.2-23.el7_1.9
  • qemu-img-rhev RHEL 7, openstack 7, openstack 6 +1 more 10:2.1.2-23.el7_1.9
  • libcacard-rhev RHEL 7, openstack 7, openstack 6 +1 more 10:2.1.2-23.el7_1.9
  • qemu-kvm-tools-rhev RHEL 7, openstack 7, openstack 6 +1 more 10:2.1.2-23.el7_1.9
  • libcacard-devel-rhev RHEL 7, openstack 6, openstack 5 10:2.1.2-23.el7_1.9
  • libcacard-tools-rhev RHEL 7, openstack 7, openstack 6 +1 more 10:2.1.2-23.el7_1.9
  • qemu-kvm-common-rhev RHEL 7, openstack 7, openstack 6 +1 more 10:2.1.2-23.el7_1.9

red hat advisories RHSA-2015:1837RHSA-2015:1772

  • qemu openSUSE Tumbleweed 6.1.0-32.1

opensuse advisories openSUSE-SU-2024:11287-1

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-2015-5225 updated cvss 6.5

Qemu: ui: vnc: heap memory corruption in vnc_refresh_server_surface

  • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 qemu-img-rhev 2.1.2-23.el7_1.9, qemu-kvm-rhev 2.1.2-23.el7_1.9, libcacard-rhev 2.1.2-23.el7_1.9, qemu-kvm-tools-rhev 2.1.2-23.el7_1.9, libcacard-devel-rhev 2.1.2-23.el7_1.9, libcacard-tools-rhev 2.1.2-23.el7_1.9, +1 more Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 qemu-img-rhev 2.1.2-23.el7_1.9, qemu-kvm-rhev 2.1.2-23.el7_1.9, libcacard-rhev 2.1.2-23.el7_1.9, qemu-kvm-tools-rhev 2.1.2-23.el7_1.9, libcacard-devel-rhev 2.1.2-23.el7_1.9, libcacard-tools-rhev 2.1.2-23.el7_1.9, +1 more Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 qemu-img-rhev 2.1.2-23.el7_1.9, qemu-kvm-rhev 2.1.2-23.el7_1.9, libcacard-rhev 2.1.2-23.el7_1.9, qemu-kvm-tools-rhev 2.1.2-23.el7_1.9, libcacard-tools-rhev 2.1.2-23.el7_1.9, qemu-kvm-common-rhev 2.1.2-23.el7_1.9
    fixed: vendor fix RHSA-2015:1772
  • Red Hat RHEV-H and VDSM for 7 Hosts qemu-img-rhev 2.1.2-23.el7_1.9, qemu-kvm-rhev 2.1.2-23.el7_1.9, libcacard-rhev 2.1.2-23.el7_1.9, qemu-kvm-tools-rhev 2.1.2-23.el7_1.9, libcacard-devel-rhev 2.1.2-23.el7_1.9, libcacard-tools-rhev 2.1.2-23.el7_1.9, +1 more
    fixed: vendor fix RHSA-2015:1837
  • Red Hat Enterprise Linux 5 kvm, xen Red Hat Enterprise Linux 6 qemu-img, qemu-kvm, qemu-kvm-tools, qemu-guest-agent, qemu-guest-agent-win32 Red Hat Enterprise Linux 7 qemu-img, qemu-kvm, libcacard, qemu-kvm-tools, libcacard-tools, qemu-kvm-common, +1 more
    not affected: vulnerable code not present

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

0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.