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CVE-2015-5225

18
FAUCET Score

CVE-2015-5225 describes a buffer overflow vulnerability in the VNC display driver of QEMU versions prior to 2.4.0.1, affecting products like Fedora and Red Hat OpenStack. This flaw allows guest users to trigger a denial of service through heap memory corruption and process crashes, or potentially execute arbitrary code on the host system. With a CVSS score of 7.2, it is a high-severity vulnerability requiring local access with low attack complexity, and could lead to complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.0CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*
21CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
22CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 63rd percentile among its peer group of 3,241 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7Fixed in: qemu-kvm-rhev-10:2.1.2-23.el7_1.9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7Fixed in: qemu-kvm-rhev-10:2.1.2-23.el7_1.9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7Fixed in: qemu-kvm-rhev-10:2.1.2-23.el7_1.9
View patch
redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-7Fixed in: qemu-kvm-rhev-10:2.1.2-23.el7_1.9
View patch

Vendor Advisories (1)

redhatCVE-2015-5225Important

Qemu: ui: vnc: heap memory corruption in vnc_refresh_server_surface

Aug 22, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2015-October/169039.html
lists.fedoraproject.org / pipermail/package-announce/2015-September/165484.html
lists.fedoraproject.org / pipermail/package-announce/2015-September/166798.html
rhn.redhat.com / errata/RHSA-2015-1772.html
rhn.redhat.com / errata/RHSA-2015-1837.html
lists.gnu.org / archive/html/qemu-devel/2015-08/msg02495.html
lists.gnu.org / archive/html/qemu-devel/2015-09/msg05832.html
PatchVendor Advisory
security.gentoo.org / glsa/201602-01
debian.org / security/2015/dsa-3348
openwall.com / lists/oss-security/2015/08/21/6
securityfocus.com / bid/76506
securitytracker.com / id/1033547