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Fencer Vulns
high 7.5

CVE-2019-3813 json

Spice, versions 0.5.2 through 0.14.1, are vulnerable to an out-of-bounds read due to an off-by-one error in memslot_get_virt.

published 2019-02-04 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13436

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

Spice, versions 0.5.2 through 0.14.1, are vulnerable to an out-of-bounds read due to an off-by-one error in memslot_get_virt. This may lead to a denial of service, or, in the worst case, code-execution by unauthenticated attackers.

Patch / fix

  • spice Debian 14, Debian 13, Debian 12 0.14.0-1.3

debian advisories DEBIAN-CVE-2019-3813

  • spice Ubuntu 14.04 LTS 0.12.4-0nocelt2ubuntu1.8
  • spice Ubuntu 16.04 LTS 0.12.6-4ubuntu0.4
  • spice Ubuntu 18.04 LTS 0.14.0-1ubuntu2.4

ubuntu advisories UBUNTU-CVE-2019-3813

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • redhat-virtualization-host RHEL 7 4.2-20190219.0.el7_6
  • redhat-release-virtualization-host RHEL 7 4.2-8.3.el7
  • redhat-virtualization-host-image-update RHEL 7 4.2-20190219.0.el7_6
  • redhat-virtualization-host-image-update-placeholder RHEL 7 4.2-8.3.el7
  • spice-server RHEL 6 0.12.4-16.el6_10.3
  • spice RHEL 7 0.14.0-6.el7_6.1
  • spice-server RHEL 7 0.14.0-6.el7_6.1

red hat advisories RHSA-2019:0457RHSA-2019:0232RHSA-2019:0231

  • spice SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 0.12.4-18.1
  • spice SLE Module for Server Applications 15 0.14.0-4.6.2
  • spice SLES for SAP 12 SP4, SLES for SAP 12 SP3, SLES 12 SP4 +5 more 0.12.8-12.1
  • spice SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +2 more 0.12.7-10.6.1
  • spice SLES for SAP 12 SP1, SLES 12 SP1-LTSS 0.12.5-10.2.3.1
  • spice SLES 12-LTSS 0.12.4-8.21.1

suse advisories SUSE-SU-2019:0231-2SUSE-SU-2019:13943-1SUSE-SU-2019:0242-1SUSE-SU-2019:0241-1SUSE-SU-2019:0231-1SUSE-SU-2019:0230-1

  • spice openSUSE Tumbleweed 0.15.0-1.3
  • spice openSUSE Leap 15.0 0.14.0-lp150.3.6.1

opensuse advisories openSUSE-SU-2024:11397-1openSUSE-SU-2019:0167-1

  • spice Alpine 3.24, Alpine 3.23, Alpine 3.22 +13 more 0.14.1-r4
  • spice Alpine 3.6 0.13.3-r4
  • spice Alpine 3.7 0.14.1-r2
  • spice Alpine 3.8 0.14.1-r1

alpine advisories ALPINE-CVE-2019-3813

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • spice Arch Linux 0.14.0-3

arch linux advisories AVG-866

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-2019-3813 updated cvss 8.0

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

  • Red Hat Enterprise Linux Client (v. 7) spice 0.14.0-6.el7_6.1, spice-server 0.14.0-6.el7_6.1 Red Hat Enterprise Linux Client Optional (v. 7) spice-debuginfo 0.14.0-6.el7_6.1, spice-server-devel 0.14.0-6.el7_6.1 Red Hat Enterprise Linux ComputeNode Optional (v. 7) spice 0.14.0-6.el7_6.1, spice-server 0.14.0-6.el7_6.1
    fixed: vendor fix RHSA-2019:0231
  • Red Hat Enterprise Linux Desktop (v. 6) spice-server 0.12.4-16.el6_10.3 Red Hat Enterprise Linux Desktop Optional (v. 6) spice-server-devel 0.12.4-16.el6_10.3, spice-server-debuginfo 0.12.4-16.el6_10.3 Red Hat Enterprise Linux HPC Node (v. 6) spice-server 0.12.4-16.el6_10.3 Red Hat Enterprise Linux HPC Node Optional (v. 6) spice-server-devel 0.12.4-16.el6_10.3, spice-server-debuginfo 0.12.4-16.el6_10.3 Red Hat Enterprise Linux Server (v. 6) spice-server 0.12.4-16.el6_10.3
    fixed: vendor fix RHSA-2019:0232
  • Red Hat Enterprise Linux Server (v. 7) spice 0.14.0-6.el7_6.1, spice-server 0.14.0-6.el7_6.1
    fixed: vendor fix RHSA-2019:0231
  • Red Hat Enterprise Linux Server Optional (v. 6) spice-server-devel 0.12.4-16.el6_10.3, spice-server-debuginfo 0.12.4-16.el6_10.3
    fixed: vendor fix RHSA-2019:0232
  • Red Hat Enterprise Linux Server Optional (v. 7) spice-debuginfo 0.14.0-6.el7_6.1, spice-server-devel 0.14.0-6.el7_6.1
    fixed: vendor fix RHSA-2019:0231
  • Red Hat Enterprise Linux Workstation (v. 6) spice-server 0.12.4-16.el6_10.3
    fixed: vendor fix RHSA-2019:0232
  • Red Hat Enterprise Linux Workstation (v. 7) spice 0.14.0-6.el7_6.1, spice-server 0.14.0-6.el7_6.1
    fixed: vendor fix RHSA-2019:0231
  • Red Hat Enterprise Linux Workstation Optional (v. 6) spice-server-devel 0.12.4-16.el6_10.3, spice-server-debuginfo 0.12.4-16.el6_10.3
    fixed: vendor fix RHSA-2019:0232
show 3 more
  • Red Hat Enterprise Linux Workstation Optional (v. 7) spice-debuginfo 0.14.0-6.el7_6.1, spice-server-devel 0.14.0-6.el7_6.1
    fixed: vendor fix RHSA-2019:0231
  • Red Hat Virtualization 4 Hypervisor for RHEL 7 redhat-virtualization-host 4.2-20190219.0.el7_6, redhat-virtualization-host-image-update 4.2-20190219.0.el7_6 Red Hat RHEL 7-based RHEV-H for RHEV 4 (build requirements) redhat-release-virtualization-host 4.2-8.3.el7, redhat-virtualization-host-image-update-placeholder 4.2-8.3.el7
    fixed: vendor fix RHSA-2019:0457
  • Red Hat Enterprise Linux 8 spice, spice-server
    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

1.21% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.4 AV:A/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Red Hat, Inc. Spice

Classification

Weakness

References

Sources

Fencer Vulns 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.