CVE-2018-7226

Name: CVE-2018-7226
Creator: NVD / NIST
Published: 2018-02-19T17:29:00.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.36%

Last modified Jun 17, 2026

CVE-2018-7226 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.36% chance of exploitation in the next 30 days.

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

EPSS Probability

2.36%

81.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Vncterm Project	Vncterm	<= 0.9.10

References

http://openwall.com/lists/oss-security/2018/02/18/2Mailing List
https://github.com/LibVNC/vncterm/issues/6Patch, Third Party Advisory
https://security.gentoo.org/glsa/201908-05
http://openwall.com/lists/oss-security/2018/02/18/2Mailing List
https://github.com/LibVNC/vncterm/issues/6Patch, Third Party Advisory
https://security.gentoo.org/glsa/201908-05

Timeline

Published: Feb 19, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-7226?

How severe is CVE-2018-7226?

Severity scoring for CVE-2018-7226 is pending analysis. The EPSS model estimates a 2.36% probability of exploitation in the next 30 days.

How do I fix CVE-2018-7226?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-7226?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST