Insufficient data validation in DevTools in Google Chrome prior to 64.0.3282.119 allowed a remote attacker to potentially leak user cross-o…

published 2018-09-25 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17802

cvss: 6.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

Insufficient data validation in DevTools in Google Chrome prior to 64.0.3282.119 allowed a remote attacker to potentially leak user cross-origin data via a crafted Chrome Extension.

Patch / fix

fixed in 1 distros 3

Google Chrome 64.0.3282.119

ubuntu red hat opensuse

chromium-browser Ubuntu 14.04 LTS 64.0.3282.119-0ubuntu0.14.04.1
chromium-browser Ubuntu 16.04 LTS 64.0.3282.119-0ubuntu0.16.04.1
chromium-browser Ubuntu 18.04 LTS 64.0.3282.119-0ubuntu1

ubuntu advisories UBUNTU-CVE-2018-6039

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

chromium-browser RHEL 6 EXTRAS 64.0.3282.119-1.el6_9

red hat advisories RHSA-2018:0265

chromium openSUSE Tumbleweed 93.0.4577.82-1.1
chromium openSUSE Tumbleweed 113.0.5672.92-1.1
chromium Package Hub 12 SP2, Package Hub 12 64.0.3282.119-46.2
re2 Package Hub 12 SP2, Package Hub 12 20180101-5.1

opensuse advisories openSUSE-SU-2024:10681-1 openSUSE-SU-2024:12948-1 openSUSE-SU-2018:0313-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-6039 updated 2026-06-28 cvss 6.5

chromium-browser: xss in devtools

Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 64.0.3282.119-1.el6_9 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 64.0.3282.119-1.el6_9 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 64.0.3282.119-1.el6_9
fixed: vendor fix RHSA-2018:0265

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

Google Chrome

Classification

Weakness

CWE-20 Improper Input Validation

Technology feeds

Google Chrome rss critical rss

References

debian.org /security/2018/dsa-4103
vendor-advisory
access.redhat.com /errata/RHSA-2018:0265
vendor-advisory
chromereleases.googleblog.com /2018/01/stable-channel-update-for-desktop_24.html
securityfocus.com /bid/102797
vdb-entry
securitytracker.com /id/1040282
vdb-entry
crbug.com /775527

Sources

CVE List CVE-2018-6039
NVD CVE-2018-6039

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary