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CVE-2019-3813

24
FAUCET Score

CVE-2019-3813 is an out-of-bounds read vulnerability in Spice versions 0.5.2 through 0.14.1, affecting products from Canonical, Debian, and Red Hat. This flaw, stemming from an off-by-one error in memslot_get_virt, carries a CVSSv3.1 score of 7.5 (HIGH) due to its potential for denial of service or, in severe cases, remote code execution by unauthenticated attackers with high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low current threat landscape.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.5.2, <= 0.14.1CPE matchmatch criteria
cpe:2.3:a:spice_project:spice:*:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.21%
Probability of exploitation in next 30 days
EPSS Percentile
65.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0121 is in the 82nd percentile among its peer group of 237 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 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 6Fixed in: spice-server-0:0.12.4-16.el6_10.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: spice-0:0.14.0-6.el7_6.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: redhat-release-virtualization-host-0:4.2-8.3.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: redhat-virtualization-host-0:4.2-20190219.0.el7_6
View patch

Vendor Advisories (1)

redhatCVE-2019-3813Important

spice: Off-by-one error in array access in spice/server/memslot.c

Jan 28, 2019

References

access.redhat.com / errata/RHSA-2019:0231
Third Party Advisory
access.redhat.com / errata/RHSA-2019:0232
Third Party Advisory
access.redhat.com / errata/RHSA-2019:0457
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
lists.debian.org / debian-lts-announce/2019/01/msg00026.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202007-30
Third Party Advisory
usn.ubuntu.com / 3870-1
Third Party Advisory
debian.org / security/2019/dsa-4375
Third Party Advisory
securityfocus.com / bid/106801
Broken Link