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CVE-2018-6149

27
FAUCET Score

CVE-2018-6149 describes a type confusion vulnerability in JavaScript within Google Chrome versions prior to 67.0.3396.87. This flaw allowed a remote attacker to achieve an out-of-bounds memory write by enticing a user to visit a specially crafted HTML page. With a CVSS score of 8.8 (HIGH), this vulnerability poses a significant risk, enabling high impact to confidentiality, integrity, and availability with low attack complexity. While there is no evidence of active exploitation, public exploit code, or inclusion in CISA's KEV catalog, it has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 67.0.3396.87CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.73%
Probability of exploitation in next 30 days
EPSS Percentile
50.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0073 is in the 52nd percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:67.0.3396.87-1.el6_10
View patch

Vendor Advisories (1)

redhatCVE-2018-6149Important

chromium-browser: Out of bounds write in V8

Jun 12, 2018

References

chromereleases.googleblog.com / 2018/06/stable-channel-update-for-desktop_12.html
crbug.com / 848672