
CVE catalog
CVE-2020-25653
spice-vdagent: CVE-2020-25653
- Severity
- High · CVSS 8.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.33% · Oct 25, 2026
A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client connections. This flaw may allow an unprivileged local guest user to become the active agent for spice-vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest threat from this vulnerability is to data confidentiality as well as system availability. This flaw affects spice-vdagent versions 0.20 and prior.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | spice-vdagent | sid | 0.23.0-4 | fixed |
| Debian | spice-vdagent | forky | 0.23.0-4 | fixed |
| Debian | spice-vdagent | trixie | 0.22.1-4.1 | fixed |
| Debian | spice-vdagent | bookworm | 0.22.1-3 | fixed |
| Debian | spice-vdagent | bookworm-security | 0.22.1-3+deb12u1 | fixed |
| Ubuntu | spice-vdagent | 16.04 | 0.15.0-1.3 | vulnerable |
| Ubuntu | spice-vdagent | 18.04 | 0.17.0-1ubuntu1 | vulnerable |
| Ubuntu | spice-vdagent | 18.04 | 0.17.0-1ubuntu2 | vulnerable |
| Ubuntu | spice-vdagent | 18.04 | 0.17.0-1ubuntu2.2 | fixed |
| Ubuntu | spice-vdagent | 20.04 | 0.19.0-2 | vulnerable |
| Ubuntu | spice-vdagent | 20.04 | 0.19.0-2ubuntu0.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | spice-vdagent | source | sid | 0.20.0-2 | not yet assigned | Not reported | [973769] |
| Debian | spice-vdagent | source | forky | 0.20.0-2 | not yet assigned | Not reported | [973769] |
| Debian | spice-vdagent | source | trixie | 0.20.0-2 | not yet assigned | Not reported | [973769] |
| Debian | spice-vdagent | source | bookworm | 0.20.0-2 | not yet assigned | Not reported | [973769] |
| Ubuntu | spice-vdagent | deb | 18.04 | 0.17.0-1ubuntu2.2 | Not reported | UBUNTU-CVE-2020-25653 | Not reported |
| Ubuntu | spice-vdagent | deb | 20.04 | 0.19.0-2ubuntu0.2 | Not reported | UBUNTU-CVE-2020-25653 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [spice-vdagent]Fixed
Details (4)
0.22.1-3+b2· amd64 · bookwormFixed · Fixed:
0.20.0-2dsa · spice-vdagent · debian · bookworm; dsa · spice-vdagent · debian · 12
0.22.1-3+b2· arm64 · bookwormFixed · Fixed:
0.20.0-2dsa · spice-vdagent · debian · bookworm; dsa · spice-vdagent · debian · 12
0.22.1-3+deb12u1· amd64 · bookworm-securityFixed · Fixed:
0.20.0-2dsa · spice-vdagent · debian · bookworm; dsa · spice-vdagent · debian · 12
0.22.1-3+deb12u1· arm64 · bookworm-securityFixed · Fixed:
0.20.0-2dsa · spice-vdagent · debian · bookworm; dsa · spice-vdagent · debian · 12
[Debian 13 (Trixie)]
- [spice-vdagent]Fixed
Details (2)
0.22.1-4.1· amd64 · trixieFixed · Fixed:
0.20.0-2dsa · spice-vdagent · debian · 13
0.22.1-4.1· arm64 · trixieFixed · Fixed:
0.20.0-2dsa · spice-vdagent · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2021_1791.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2020-25653]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2020-25653]
- [https://security-tracker.debian.org/tracker/CVE-2020-25653]
- [https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-25653.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]