What is CVE-2018-7226?

CVE-2018-7226 is a critical-severity vulnerability in Vncterm Project, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2018-02-19.

How severe is CVE-2018-7226?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Integer overflow in Vncterm Project

CVE-2018-7226

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.

Vulnerability class: Integer Overflow

EPSS: 0.023 (81.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Vncterm_project Vncterm
N/a — versions n/a

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Mailing List, x_refsource_MISC)
cve@mitre.org (vendor-advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2018-7226?: CVE-2018-7226 is a critical-severity vulnerability in Vncterm Project, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2018-02-19.
How severe is CVE-2018-7226?: Critical severity. CVSS v3 base score is 9.8 out of 10.