An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand…
Priority MEDIUM 47CWE-190Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.
Summary
An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the LibVNC/vncterm distribution through 0.9.10. Missing sanitization of the client-specified message length may cause integer overflow or possibly have unspecified other impact via a specially crafted VNC packet.
Why it matters now
EPSS 0.02553 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vncterm_project:vncterm:*:*:*:*:*:*:*:* | up to 0.9.10 | Vulnerable | Vncterm Project |
- cpe:2.3:a:vncterm_project:vncterm:*:*:*:*:*:*:*:* Versions up to 0.9.10 Vulnerable ·Vncterm Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2018-7226
- 2026-10-03 Alias added: GHSA-8pmm-h92r-4qxw
References
Sources
- CVE-2018-7226 · CVE Program
- CVE-2018-7226 · NVD
- FIRST EPSS
- GHSA-8pmm-h92r-4qxw · GitHub Advisory Database · CC BY 4.0
- CVE-2018-7226 · 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