Description
A flaw was found in the way spice-client processed certain messages sent from the server. An attacker, having control of malicious spice-server, could use this flaw to crash the client or execute arbitrary code with permissions of the user running the client. spice-gtk versions through 0.34 are believed to be vulnerable.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| freedesktop.org | spice-gtk | through 0.34 | — |
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 | 0.35-1 | — |
| Debian 13 | spice-gtk | 0.35-1 | — |
| Debian 12 | spice-gtk | 0.35-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | spice | 0.14.0-1ubuntu2.1 | USN-3659-1 |
| Ubuntu 18.04 LTS | spice-gtk | No fix yet | — |
| Ubuntu 16.04 LTS | spice-protocol | 0.12.10-1ubuntu0.1 | USN-3659-1 |
| Ubuntu 14.04 LTS | spice | 0.12.4-0nocelt2ubuntu1.6 | USN-3659-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | spice-gtk | 0.33-3.3.2 | SUSE-SU-2018:0877-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | spice-gtk | 0.33-3.3.2 | SUSE-SU-2018:0877-1 |
Advisories 2
- USN-3659-1 spice, spice-protocol vulnerability Ubuntu Security Notices (USN) · Apr 27, 2026
- SUSE-SU-2018:0877-1 Security update for spice-gtk SUSE / openSUSE Security Updates · Feb 4, 2026
References
- GLSA-201811-20 vendor-advisory
- USN-3659-1 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1501200
- 103413 vdb-entry