What’s Vulnerable › Vulnerabilities

CVE-2018-7226

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-02-19 · updated 2026-06-17
• Weakness: CWE-190

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.

Affected products

• Vncterm Project Vncterm: through 0.9.10

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
• https://security.gentoo.org/glsa/201908-05

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