Heap-based buffer overflow in Red Hat spice-client
Priority MEDIUM 43CWE-122Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 14 fixed, 1 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-122 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.02363 83rd percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 14 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | spice-client | all versions | — | No fix listed | CNA |
- spice-client VendorRed Hat Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:spice_project:spice:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | The SPICE Project |
- cpe:2.3:a:spice_project:spice:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·The SPICE Project
Remediation
Red Hat 2 advisories
- RHSA-2020:0471 Released 2020-02-11 · Red Hat rating Moderatespice-gtk security update
- Red Hat Enterprise Linux Desktop (v. 6) spice-glib-0.26-8.el6_10.2, spice-gtk-0.26-8.el6_10.2, spice-gtk-python-0.26-8.el6_10.2
- Red Hat Enterprise Linux Desktop Optional (v. 6) spice-glib-devel-0.26-8.el6_10.2, spice-gtk-devel-0.26-8.el6_10.2, spice-gtk-tools-0.26-8.el6_10.2
- Red Hat Enterprise Linux HPC Node (v. 6) spice-glib-0.26-8.el6_10.2, spice-gtk-0.26-8.el6_10.2, spice-gtk-python-0.26-8.el6_10.2
- Red Hat Enterprise Linux HPC Node Optional (v. 6) spice-glib-devel-0.26-8.el6_10.2, spice-gtk-devel-0.26-8.el6_10.2, spice-gtk-tools-0.26-8.el6_10.2
- Red Hat Enterprise Linux Server (v. 6) spice-glib-0.26-8.el6_10.2, spice-gtk-0.26-8.el6_10.2, spice-gtk-python-0.26-8.el6_10.2
- Red Hat Enterprise Linux Server Optional (v. 6) spice-glib-devel-0.26-8.el6_10.2, spice-gtk-devel-0.26-8.el6_10.2, spice-gtk-tools-0.26-8.el6_10.2
- Red Hat Enterprise Linux Workstation (v. 6) spice-glib-0.26-8.el6_10.2, spice-gtk-0.26-8.el6_10.2, spice-gtk-python-0.26-8.el6_10.2
- Red Hat Enterprise Linux Workstation Optional (v. 6) spice-glib-devel-0.26-8.el6_10.2, spice-gtk-devel-0.26-8.el6_10.2, spice-gtk-tools-0.26-8.el6_10.2
- RHSA-2019:2229 Released 2019-08-06 · Red Hat rating Moderatespice-gtk security and bug fix update
- Red Hat Enterprise Linux Client (v. 7) libgovirt-0.3.4-3.el7, spice-glib-0.35-4.el7, spice-gtk-0.35-4.el7 +3
- Red Hat Enterprise Linux Client Optional (v. 7) libgovirt-devel-0.3.4-3.el7, spice-glib-devel-0.35-4.el7, spice-gtk-tools-0.35-4.el7 +2
- Red Hat Enterprise Linux Server (v. 7) libgovirt-0.3.4-3.el7, spice-glib-0.35-4.el7, spice-gtk-0.35-4.el7 +3
- Red Hat Enterprise Linux Server Optional (v. 7) libgovirt-devel-0.3.4-3.el7, spice-glib-0.35-4.el7, spice-glib-devel-0.35-4.el7 +5
- Red Hat Enterprise Linux Workstation (v. 7) libgovirt-0.3.4-3.el7, spice-glib-0.35-4.el7, spice-gtk-0.35-4.el7 +3
- Red Hat Enterprise Linux Workstation Optional (v. 7) libgovirt-devel-0.3.4-3.el7, spice-glib-devel-0.35-4.el7, spice-gtk-tools-0.35-4.el7 +2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2019:2229 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2019:2229 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2020:0471 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2020:0471 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2020:0471 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2020:0471 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2020:0471 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2019:2229 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2020:0471 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2019:2229 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2020:0471 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2019:2229 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2020:0471 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2019:2229 |
Not affected: 1 product
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2018-10893
- 2026-10-03 Alias added: GHSA-5jqv-xfc2-wmwv
References
More Red Hat vulnerabilities
- TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
- TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
- TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
- TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2018-10893 · CVE Program
- CVE-2018-10893 · NVD
- FIRST EPSS
- GHSA-5jqv-xfc2-wmwv · GitHub Advisory Database · CC BY 4.0
- CVE-2018-10893 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences