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CVE-2018-6129

31
FAUCET Score

CVE-2018-6129 describes an out-of-bounds array access vulnerability in WebRTC within Google Chrome versions prior to 67.0.3396.62. This flaw allowed a remote attacker to potentially perform out-of-bounds memory access by enticing a user to visit a specially crafted HTML page. It carries a CVSS score of 6.5 (Medium), indicating a network-based attack with low complexity, requiring user interaction, and primarily leading to high availability impact. While not listed in CISA's KEV catalog, an ExploitDB entry (EDB-44863) exists, and the vulnerability has garnered moderate community discussion and media coverage, suggesting awareness within the security community.

Impacted Technologies

VendorProductVersion(s)CPE
< 67.0.3396.62CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.75%
Probability of exploitation in next 30 days
EPSS Percentile
84.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-44863 · Jun 8, 2018
This CVE's current EPSS score of 0.0275 is in the 93rd percentile among its peer group of 26,234 CVEs.

Social Chatter

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

Media Mentions

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

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:67.0.3396.62-2.el6_9
View patch

Vendor Advisories (1)

redhatCVE-2018-6129Important

chromium-browser: Out of bounds memory access in WebRTC

May 29, 2018

References

chromereleases.googleblog.com / 2018/05/stable-channel-update-for-desktop_58.html
crbug.com / 838672