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CVE-2018-10873

29
FAUCET Score

CVE-2018-10873 is a high-severity vulnerability in SPICE versions prior to 0.14.1, affecting products from Canonical, Debian, Red Hat, and the SPICE project. It stems from insufficient bounds checks in the demarshalling code, allowing an authenticated malicious client or server to send specially crafted messages. This can lead to a denial-of-service (crash) and potentially other severe impacts, as reflected by its CVSS score of 8.8. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.14.1CPE matchmatch criteria
cpe:2.3:a:spice_project:spice:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.5
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.93%
Probability of exploitation in next 30 days
EPSS Percentile
89.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0393 is in the 88th percentile among its peer group of 17,822 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: spice-gtk-0:0.26-8.el6_10.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: spice-server-0:0.12.4-16.el6_10.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: spice-0:0.14.0-2.el7_5.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: spice-gtk-0:0.34-3.el7_5.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: imgbased-0:1.0.29-1.el7ev
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: redhat-release-virtualization-host-0:4.2-7.3.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: redhat-virtualization-host-0:4.2-20181026.0.el7_6
View patch

Vendor Advisories (1)

redhatCVE-2018-10873Important

spice: Missing check in demarshal.py:write_validate_array_item() allows for buffer overflow and denial of service

Aug 16, 2018

References

access.redhat.com / errata/RHSA-2018:2731
Third Party Advisory
access.redhat.com / errata/RHSA-2018:2732
Third Party Advisory
access.redhat.com / errata/RHSA-2018:3470
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
gitlab.freedesktop.org / spice/spice-common/commit/bb15d4815ab586b4c4a20f4a565970a44824c42c
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2018/08/msg00035.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2018/08/msg00037.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2018/08/msg00038.html
Mailing ListThird Party Advisory
usn.ubuntu.com / 3751-1
Third Party Advisory
debian.org / security/2018/dsa-4319
Third Party Advisory
securityfocus.com / bid/105152
Third Party AdvisoryVDB Entry