CVE-2018-7226

CRITICAL

vncterm < 0.9.10 - Integer Overflow via VNC Packet Length

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/LibVNC/vncterm/issues/6
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201908-05

Scores

CVSS v3 9.8
EPSS 0.0236
EPSS Percentile 81.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (1)
vncterm_project/vncterm < 0.9.10
Published Feb 19, 2018
Tracked Since Feb 18, 2026