What is CVE-2018-6068?

CVE-2018-6068 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2018-11-14.

How severe is CVE-2018-6068?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Improper input validation in Google Chrome

CVE-2018-6068

Object lifecycle issue in Chrome Custom Tab in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-11-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Google Chrome — versions unspecified
Debian Linux — versions 9.0
Red Hat Linux Desktop — versions 6.0
Red Hat Linux Server — versions 6.0
Red Hat Linux Workstation — versions 6.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chromereleases.googleblog.com/2018/03/stable-channel-update-for-desktop.html
www.securityfocus.com/bid/103297 (vdb-entry)
crbug.com/798933
www.debian.org/security/2018/dsa-4182 (vendor-advisory)

Frequently asked questions

What is CVE-2018-6068?: CVE-2018-6068 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2018-11-14.
How severe is CVE-2018-6068?: Medium severity. CVSS v3 base score is 4.3 out of 10.