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CVE-2019-3813

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

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.21%Down 3.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

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.

Record
CVE-2019-3813
CVSS 3.1
7.5 HighCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
5.4 MediumAV:A/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-193
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2019-3813
Updated
2026-11-02
EUVDEUVD-2019-13436 No score

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.

Record
EUVD-2019-13436
Updated
2026-11-03
GitHub AdvisoriesGHSA-j8r4-w4xh-mcv3 7.5

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

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.

Record
GHSA-j8r4-w4xh-mcv3
CVSS 3.1
7.5 HighCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-193
Updated
2026-11-02
OSVALPINE-CVE-2019-3813 7.5

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.

Record
ALPINE-CVE-2019-3813
CVSS 3.1
7.5 HighCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVBELL-CVE-2019-3813 7.5

CVE-2019-3813 does not affect BellSoft software

Record
BELL-CVE-2019-3813
CVSS 3.1
7.5 HighCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 17 moreShow less
OSV 7.5

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.

Record
CVE-2019-3813
CVSS 3.1
7.5 HighCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2019-3813 7.5

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.

Record
DEBIAN-CVE-2019-3813
CVSS 3.1
7.5 HighCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2019:0231 8.0

Red Hat Security Advisory: spice security update

Record
RHSA-2019:0231
CVSS 3.0
8.0 HighCVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2019:0232 8.0

Red Hat Security Advisory: spice-server security update

Record
RHSA-2019:0232
CVSS 3.0
8.0 HighCVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2019:0457 8.0

Red Hat Security Advisory: redhat-virtualization-host security update

Record
RHSA-2019:0457
CVSS 3.0
8.0 HighCVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2019-3813 7.5

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.

Record
UBUNTU-CVE-2019-3813
CVSS 3.1
7.5 HighCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0
7.5 HighCVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2019-0100 No score

Updated spice packages fix security vulnerability

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. (CVE-2019-3813)

A vulnerability was discovered in SPICE before version 0.14.1 where the generated code used for demarshalling messages lacked sufficient bounds checks. A malicious client or server, after authentication, could send specially crafted messages to its peer which would result in a crash or, potentially, other impacts. (CVE-2018-10873)

Multiple integer overflow and buffer overflow issues were discovered in spice-client's handling of LZ compressed frames. A malicious server could cause the client to crash or, potentially, execute arbitrary code. (CVE-2018-10893)

Record
MGASA-2019-0100
Updated
2026-11-02
OSVopenSUSE-SU-2019:0167-1 No score

Security update for spice

This update for spice fixes the following issues:

Security issue fixed:

  • CVE-2019-3813: Fixed a out-of-bounds read in the memslot_get_virt function that could lead to denial-of-service or code-execution (bsc#1122706).

Non-security issue fixed:

  • Include spice-server tweak to compensate for performance issues with Windows guests (bsc#1109044).

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2019:0167-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:11397-1 No score

libspice-server-devel-0.15.0-1.3 on GA media

These are all security issues fixed in the libspice-server-devel-0.15.0-1.3 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11397-1
Updated
2026-11-02
OSVSUSE-SU-2019:0229-1 No score

Security update for spice

This update for spice fixes the following issues:

Security issue fixed:

  • CVE-2019-3813: Fixed a out-of-bounds read in the memslot_get_virt function that could lead to denial-of-service or code-execution (bsc#1122706).
Record
SUSE-SU-2019:0229-1
Updated
2026-11-02
OSVSUSE-SU-2019:0230-1 No score

Security update for spice

This update for spice fixes the following issues:

Security issue fixed:

  • CVE-2019-3813: Fixed a out-of-bounds read in the memslot_get_virt function that could lead to denial-of-service or code-execution (bsc#1122706).
Record
SUSE-SU-2019:0230-1
Updated
2026-11-02
OSVSUSE-SU-2019:0231-1 No score

Security update for spice

This update for spice fixes the following issues:

Security issue fixed:

  • CVE-2019-3813: Fixed a out-of-bounds read in the memslot_get_virt function that could lead to denial-of-service or code-execution (bsc#1122706).
Record
SUSE-SU-2019:0231-1
Updated
2026-11-02
OSVSUSE-SU-2019:0231-2 No score

Security update for spice

This update for spice fixes the following issues:

Security issue fixed:

  • CVE-2019-3813: Fixed a out-of-bounds read in the memslot_get_virt function that could lead to denial-of-service or code-execution (bsc#1122706).
Record
SUSE-SU-2019:0231-2
Updated
2026-11-02
OSVSUSE-SU-2019:0241-1 No score

Security update for spice

This update for spice fixes the following issues:

Security issue fixed:

  • CVE-2019-3813: Fixed a out-of-bounds read in the memslot_get_virt function that could lead to denial-of-service or code-execution (bsc#1122706).
Record
SUSE-SU-2019:0241-1
Updated
2026-11-02
OSVSUSE-SU-2019:0242-1 No score

Security update for spice

This update for spice fixes the following issues:

Security issue fixed:

  • CVE-2019-3813: Fixed a out-of-bounds read in the memslot_get_virt function that could lead to denial-of-service or code-execution (bsc#1122706).

Non-security issue fixed:

  • Include spice-server tweak to compensate for performance issues with Windows guests (bsc#1109044).
Record
SUSE-SU-2019:0242-1
Updated
2026-11-02
OSVSUSE-SU-2019:13943-1 No score

Security update for spice

This update for spice fixes the following issues:

Security issue fixed:

  • CVE-2019-3813: Fixed an out-of-bounds read in the memslot_get_virt function that could lead to denial-of-service or code-execution (bsc#1122706).
Record
SUSE-SU-2019:13943-1
Updated
2026-11-02
OSVUSN-3870-1 No score

spice vulnerability

Christophe Fergeau discovered that Spice incorrectly handled memory. A remote attacker could use this to cause Spice to crash, resulting in a denial of service, or possibly execute arbitrary code.

Record
USN-3870-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
spice
Alpine:v3.10
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.11
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.12
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.13
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.14
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.15
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.16
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.17
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.18
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.19
0.5.2 up to 0.14.1-r4
0.14.1-r4
Show 72 moreShow less
Affected packages
PackageAffectedFixed
spice
Alpine:v3.20
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.21
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.22
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.23
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.24
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Alpine:v3.6
0.5.2 up to 0.13.3-r4
0.13.3-r4
spice
Alpine:v3.7
0.5.2 up to 0.14.1-r2
0.14.1-r2
spice
Alpine:v3.8
0.5.2 up to 0.14.1-r1
0.14.1-r1
spice
Alpine:v3.9
0.5.2 up to 0.14.1-r4
0.14.1-r4
spice
Debian:12
before 0.14.0-1.3
0.14.0-1.3
spice
Debian:13
before 0.14.0-1.3
0.14.0-1.3
spice
Debian:14
before 0.14.0-1.3
0.14.0-1.3
spice
Debian:8
before 0.12.5-1+deb8u7, plus listed versions
0.12.5-10.12.5-1+deb8u10.12.5-1+deb8u20.12.5-1+deb8u30.12.5-1+deb8u40.12.5-1+deb8u50.12.5-1+deb8u6
0.12.5-1+deb8u7
spice
Debian:9
before 0.12.8-2.1+deb9u3, plus listed versions
0.12.8-2.10.12.8-2.1+deb9u10.12.8-2.1+deb9u2
0.12.8-2.1+deb9u3
spice
Mageia:6
before 0.13.90-1.2.mga6
0.13.90-1.2.mga6
spice
Red Hat:enterprise_linux:7::client
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice-debuginfo
Red Hat:enterprise_linux:7::client
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice-server
Red Hat:enterprise_linux:7::client
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice-server-devel
Red Hat:enterprise_linux:7::client
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice
Red Hat:enterprise_linux:7::computenode
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice-debuginfo
Red Hat:enterprise_linux:7::computenode
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice-server
Red Hat:enterprise_linux:7::computenode
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice-server-devel
Red Hat:enterprise_linux:7::computenode
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice
Red Hat:enterprise_linux:7::server
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice-debuginfo
Red Hat:enterprise_linux:7::server
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice-server
Red Hat:enterprise_linux:7::server
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice-server-devel
Red Hat:enterprise_linux:7::server
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice
Red Hat:enterprise_linux:7::workstation
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice-debuginfo
Red Hat:enterprise_linux:7::workstation
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice-server
Red Hat:enterprise_linux:7::workstation
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice-server-devel
Red Hat:enterprise_linux:7::workstation
before 0:0.14.0-6.el7_6.1
0:0.14.0-6.el7_6.1
spice-server
Red Hat:enterprise_linux:6::client
before 0:0.12.4-16.el6_10.3
0:0.12.4-16.el6_10.3
spice-server-debuginfo
Red Hat:enterprise_linux:6::client
before 0:0.12.4-16.el6_10.3
0:0.12.4-16.el6_10.3
spice-server-devel
Red Hat:enterprise_linux:6::client
before 0:0.12.4-16.el6_10.3
0:0.12.4-16.el6_10.3
spice-server
Red Hat:enterprise_linux:6::computenode
before 0:0.12.4-16.el6_10.3
0:0.12.4-16.el6_10.3
spice-server-debuginfo
Red Hat:enterprise_linux:6::computenode
before 0:0.12.4-16.el6_10.3
0:0.12.4-16.el6_10.3
spice-server-devel
Red Hat:enterprise_linux:6::computenode
before 0:0.12.4-16.el6_10.3
0:0.12.4-16.el6_10.3
spice-server
Red Hat:enterprise_linux:6::server
before 0:0.12.4-16.el6_10.3
0:0.12.4-16.el6_10.3
spice-server-debuginfo
Red Hat:enterprise_linux:6::server
before 0:0.12.4-16.el6_10.3
0:0.12.4-16.el6_10.3
spice-server-devel
Red Hat:enterprise_linux:6::server
before 0:0.12.4-16.el6_10.3
0:0.12.4-16.el6_10.3
spice-server
Red Hat:enterprise_linux:6::workstation
before 0:0.12.4-16.el6_10.3
0:0.12.4-16.el6_10.3
spice-server-debuginfo
Red Hat:enterprise_linux:6::workstation
before 0:0.12.4-16.el6_10.3
0:0.12.4-16.el6_10.3
spice-server-devel
Red Hat:enterprise_linux:6::workstation
before 0:0.12.4-16.el6_10.3
0:0.12.4-16.el6_10.3
redhat-virtualization-host
Red Hat:enterprise_linux:7::hypervisor
before 0:4.2-20190219.0.el7_6
0:4.2-20190219.0.el7_6
redhat-virtualization-host-image-update
Red Hat:enterprise_linux:7::hypervisor
before 0:4.2-20190219.0.el7_6
0:4.2-20190219.0.el7_6
redhat-release-virtualization-host
Red Hat:enterprise_linux:7::hypervisor
before 0:4.2-8.3.el7
0:4.2-8.3.el7
redhat-virtualization-host-image-update-placeholder
Red Hat:enterprise_linux:7::hypervisor
before 0:4.2-8.3.el7
0:4.2-8.3.el7
spice
SUSE:Linux Enterprise Server 12-LTSS
before 0.12.4-8.21.1
0.12.4-8.21.1
spice
SUSE:OpenStack Cloud 7
before 0.12.7-10.6.1
0.12.7-10.6.1
spice
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
before 0.12.7-10.6.1
0.12.7-10.6.1
spice
SUSE:Linux Enterprise Server 12 SP2-LTSS
before 0.12.7-10.6.1
0.12.7-10.6.1
spice
SUSE:Linux Enterprise Server 12 SP2-BCL
before 0.12.7-10.6.1
0.12.7-10.6.1
spice
SUSE:Enterprise Storage 4
before 0.12.7-10.6.1
0.12.7-10.6.1
spice
SUSE:Linux Enterprise Server 12 SP1-LTSS
before 0.12.5-10.2.3.1
0.12.5-10.2.3.1
spice
SUSE:Linux Enterprise Server for SAP Applications 12 SP1
before 0.12.5-10.2.3.1
0.12.5-10.2.3.1
spice
SUSE:Linux Enterprise Desktop 12 SP3
before 0.12.8-12.1
0.12.8-12.1
spice
SUSE:Linux Enterprise Desktop 12 SP4
before 0.12.8-12.1
0.12.8-12.1
spice
SUSE:Linux Enterprise Software Development Kit 12 SP3
before 0.12.8-12.1
0.12.8-12.1
spice
SUSE:Linux Enterprise Software Development Kit 12 SP4
before 0.12.8-12.1
0.12.8-12.1
spice
SUSE:Linux Enterprise Server 12 SP3
before 0.12.8-12.1
0.12.8-12.1
spice
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
before 0.12.8-12.1
0.12.8-12.1
spice
SUSE:Linux Enterprise Server 12 SP4
before 0.12.8-12.1
0.12.8-12.1
spice
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
before 0.12.8-12.1
0.12.8-12.1
spice
SUSE:Linux Enterprise Module for Server Applications 15
before 0.14.0-4.6.2
0.14.0-4.6.2
spice
SUSE:Linux Enterprise Software Development Kit 11 SP4
before 0.12.4-18.1
0.12.4-18.1
spice
SUSE:Linux Enterprise Server 11 SP4
before 0.12.4-18.1
0.12.4-18.1
spice
SUSE:Linux Enterprise Server for SAP Applications 11 SP4
before 0.12.4-18.1
0.12.4-18.1
spice
Ubuntu:14.04:LTS
before 0.12.4-0nocelt2ubuntu1.8, plus listed versions
0.12.4-0nocelt10.12.4-0nocelt1.10.12.4-0nocelt1.1ubuntu10.12.4-0nocelt20.12.4-0nocelt2ubuntu1
Show 7 moreShow less
0.12.4-0nocelt2ubuntu1.10.12.4-0nocelt2ubuntu1.20.12.4-0nocelt2ubuntu1.30.12.4-0nocelt2ubuntu1.40.12.4-0nocelt2ubuntu1.50.12.4-0nocelt2ubuntu1.60.12.4-0nocelt2ubuntu1.7
0.12.4-0nocelt2ubuntu1.8
spice
Ubuntu:16.04:LTS
before 0.12.6-4ubuntu0.4, plus listed versions
0.12.5-1.1ubuntu20.12.6-40.12.6-4ubuntu0.10.12.6-4ubuntu0.20.12.6-4ubuntu0.3
0.12.6-4ubuntu0.4
spice
Ubuntu:18.04:LTS
before 0.14.0-1ubuntu2.4, plus listed versions
0.12.8-2.20.14.0-10.14.0-1ubuntu10.14.0-1ubuntu20.14.0-1ubuntu2.10.14.0-1ubuntu2.2
0.14.0-1ubuntu2.4
spice
openSUSE:Leap 15.0
before 0.14.0-lp150.3.6.1
0.14.0-lp150.3.6.1
spice
openSUSE:Tumbleweed
before 0.15.0-1.3
0.15.0-1.3

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-3813 is a high vulnerability (CVSS 7.5) in Red Hat, Inc. Spice, published January 28, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.21%, the 68th percentile. Fixed in spice 0.14.1-r4.

References

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