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CVE-2015-5261

18
FAUCET Score

CVE-2015-5261 describes a heap-based buffer overflow in SPICE versions prior to 0.12.6, allowing guest OS users to read and write arbitrary host memory via malicious QXL commands. This vulnerability carries a CVSS v3 score of 7.1 (HIGH), indicating a local attack vector with low complexity, requiring low privileges, and potentially leading to high confidentiality and integrity impacts. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
15.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.1HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 79th percentile among its peer group of 17,061 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: spice-server-0:0.12.4-12.el6_7.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: spice-0:0.12.4-9.el7_1.3
View patch

Vendor Advisories (1)

redhatCVE-2015-5261Important

spice: host memory access from guest using crafted images

Oct 6, 2015

References

lists.freedesktop.org / archives/spice-devel/2015-October/022191.html
rhn.redhat.com / errata/RHSA-2015-1889.html
rhn.redhat.com / errata/RHSA-2015-1890.html
bugzilla.redhat.com / show_bug.cgi
security.gentoo.org / glsa/201606-05
debian.org / security/2015/dsa-3371
openwall.com / lists/oss-security/2015/10/06/4
oracle.com / technetwork/topics/security/linuxbulletinoct2015-2719645.html
securitytracker.com / id/1033753
ubuntu.com / usn/USN-2766-1