CVE-2018-7226

9.8 criticalEPSS 2.6%

Critical (9.8) in vncterm project vncterm. EPSS 2.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.6% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)
CWE: CWE-190
Published: 2018-02-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

vncterm_project:vncterm

References

http://openwall.com/lists/oss-security/2018/02/18/2
https://github.com/LibVNC/vncterm/issues/6
https://security.gentoo.org/glsa/201908-05
http://openwall.com/lists/oss-security/2018/02/18/2
https://github.com/LibVNC/vncterm/issues/6

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