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CVE-2018-6151

27
FAUCET Score

CVE-2018-6151 describes a critical out-of-bounds memory read vulnerability in Google Chrome's DevTools, affecting versions prior to 66.0.3359.117 on Windows, Linux, Mac, and Chrome OS, as well as various distributions like Apple, Debian, and Red Hat. This vulnerability carries a high CVSS score of 8.8, indicating a severe risk where an attacker could achieve high confidentiality, integrity, and availability impact by convincing a user to install a malicious Chrome Extension. While the vulnerability is not listed on CISA's KEV catalog and no public exploit code (Metasploit, Nuclei, ExploitDB) is available, it has garnered some community discussion and media coverage, suggesting awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
< 66.0.3359.117CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

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
1.21%
Probability of exploitation in next 30 days
EPSS Percentile
65.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0121 is in the 64th percentile among its peer group of 14,855 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-0:68.0.3440.75-1.el6_10
View patch

Vendor Advisories (1)

redhatCVE-2018-6151Moderate

chromium-browser: Bad cast in DevTools

Jul 24, 2018

References

access.redhat.com / errata/RHSA-2018:2282
chromereleases.googleblog.com / 2018/04/stable-channel-update-for-desktop.html
crbug.com / 805905
security.gentoo.org / glsa/201808-01
debian.org / security/2018/dsa-4256
securityfocus.com / bid/104887