Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Red Hat | spice-client | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | spice-gtk | 0.37-1 | — |
| Debian 13 | spice-gtk | 0.37-1 | — |
| Debian 12 | spice-gtk | 0.37-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | spice-gtk | No fix yet | — |
| Ubuntu 26.04 LTS | spice-gtk | No fix yet | — |
| Ubuntu 25.10 | spice-gtk | No fix yet | — |
| Ubuntu 24.04 LTS | spice-gtk | No fix yet | — |
| Ubuntu 22.04 LTS | spice-gtk | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | spice-gtk | No fix yet | — |
| Ubuntu 18.04 LTS | spice-gtk | No fix yet | — |
| Ubuntu 16.04 LTS | spice-gtk | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | libgovirt +1 | 0.3.4-3.el7 | RHSA-2019:2229 |
| RHEL 7 | spice-gtk +6 | 0.35-4.el7 | RHSA-2019:2229 |
| RHEL 7 | spice-vdagent | 0.14.0-18.el7 | RHSA-2019:2229 |
| RHEL 7 | virt-viewer | 5.0-15.el7 | RHSA-2019:2229 |
| RHEL 6 | spice-gtk +5 | 0.26-8.el6_10.2 | RHSA-2020:0471 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | spice | 0.14.0-4.3.1 | SUSE-SU-2018:2566-1 |
| SLES 15 | spice-gtk | 0.34-3.3.1 | SUSE-SU-2018:2709-1 |
| SLES 12 SP3 | spice | 0.12.8-6.1 | SUSE-SU-2018:2595-1 |
| SLES 12 SP3 | spice-gtk | 0.33-3.6.1 | SUSE-SU-2018:2594-1 |
| SLES 12 SP2 | spice | 0.12.7-10.9.1 | SUSE-SU-2020:3842-1 |
| SLES 12 SP2 | spice-gtk | 0.31-9.10.1 | SUSE-SU-2020:3841-1 |
| SLES 12 | spice | 0.12.4-8.18.1 | SUSE-SU-2018:2584-1 |
| SLES 12 | spice-gtk | 0.25-5.3.1 | SUSE-SU-2018:2593-1 |
| SLES 11 SP4 | spice | 0.12.4-15.1 | SUSE-SU-2018:2563-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | spice | 0.12.8-6.1 | SUSE-SU-2018:2595-1 |
| SLES for SAP 12 SP3 | spice-gtk | 0.33-3.6.1 | SUSE-SU-2018:2594-1 |
| SLES for SAP 12 SP2 | spice | 0.12.7-10.9.1 | SUSE-SU-2020:3842-1 |
| SLES for SAP 12 SP2 | spice-gtk | 0.31-9.10.1 | SUSE-SU-2020:3841-1 |
| SLES for SAP 11 SP4 | spice | 0.12.4-15.1 | SUSE-SU-2018:2563-1 |
| SUSE OpenStack Cloud 7 | spice | 0.12.7-10.9.1 | SUSE-SU-2020:3842-1 |
| SUSE OpenStack Cloud 7 | spice-gtk | 0.31-9.10.1 | SUSE-SU-2020:3841-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | spice | 0.15.0-1.3 | openSUSE-SU-2024:11397-1 |
| openSUSE Tumbleweed | spice-gtk | 0.39-1.8 | openSUSE-SU-2024:11398-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | libgovirt +1 | 0.3.4-3.amzn2 | ALAS2-2023-2220 |
| Amazon Linux 2 | spice-glib +5 | 0.35-4.amzn2 | ALAS2-2019-1363 |
| Amazon Linux 2 | spice-protocol | 0.12.14-1.amzn2 | ALAS2-2023-2219 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | libgovirt +1 | 0.3.4-3.el7 | ELSA-2019-2229 |
| Oracle Linux 7 | spice-glib +5 | 0.35-4.el7 | ELSA-2019-2229 |
| Oracle Linux 7 | spice-vdagent | 0.14.0-18.el7 | ELSA-2019-2229 |
| Oracle Linux 7 | virt-viewer | 5.0-15.el7 | ELSA-2019-2229 |
Advisories 18
- WID-SEC-2022-0517 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 18, 2026
- RHSA-2020:0471 Red Hat Security Advisory: spice-gtk security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2019:2229 Red Hat Security Advisory: spice-gtk security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- SUSE-SU-2018:2593-1 Security update for spice-gtk SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3841-1 Security update for spice-gtk SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2595-1 Security update for spice SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2584-1 Security update for spice SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2563-1 Security update for spice SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3842-1 Security update for spice SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2594-1 Security update for spice-gtk SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2709-1 Security update for spice-gtk SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11398-1 libspice-client-glib-2_0-8-0.39-1.8 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2566-1 Security update for spice SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11397-1 libspice-server-devel-0.15.0-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2023-2219 Moderate: spice-protocol security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 23, 2023
- ALAS2-2023-2220 Moderate: libgovirt security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 23, 2023
- ALAS2-2019-1363 Moderate: spice-gtk security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Nov 14, 2019
- ELSA-2019-2229 Moderate: spice-gtk security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 13, 2019
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10893
- [spice-devel] 20180703 [PATCH spice-common v3] lz: Avoid buffer reading overflow checking for image type mailing-list
- RHSA-2019:2229 vendor-advisory
- RHSA-2020:0471 vendor-advisory