Insufficient data validation in WebGL in Google Chrome prior to 64.0.3282.119 allowed a remote attacker to perform an out of bounds memory…

published 2018-09-25 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17797

cvss: 8.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.9%; EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits: 0; none known

Insufficient data validation in WebGL in Google Chrome prior to 64.0.3282.119 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page.

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-2018-6034

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-2018-6034 updated 2026-06-28 cvss 6.5

chromium-browser: integer overflow in blink

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

1.91% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	8.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
NVD	2.0	5.8	AV:N/AC:M/Au:N/C:P/I:N/A:P

Affected products

Google Chrome

Classification

Weakness

CWE-125 Out-of-bounds Read

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 /784183

Sources

CVE List CVE-2018-6034
NVD CVE-2018-6034

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