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CVE-2018-7226 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://openwall.com/lists/oss-security/2018/02/18/2	CVE	Mailing List
https://github.com/LibVNC/vncterm/issues/6	CVE	PatchThird Party Advisory
https://security.gentoo.org/glsa/201908-05	CVE
http://openwall.com/lists/oss-security/2018/02/18/2	[email protected]	Mailing List
https://github.com/LibVNC/vncterm/issues/6	[email protected]	PatchThird Party Advisory
https://security.gentoo.org/glsa/201908-05	[email protected]

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-190	Integer Overflow or Wraparound	[email protected]

Affected Products

Product	Versions
vncterm project vncterm	<= 0.9.10
CPE cpe:2.3:a:vncterm_project:vncterm:::::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 9, 2019	CVE Modified	[email protected]
Mar 21, 2018	Initial Analysis	[email protected]