CVE-2018-6139

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-01-09 · updated 2026-06-17
Weakness: CWE-20

Description

Insufficient target checks on the chrome.debugger API in DevTools in Google Chrome prior to 67.0.3396.62 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code via a crafted Chrome Extension.

Affected products

Debian Linux: 9.0
Google Chrome: before 67.0.3396.62 — fixed in 67.0.3396.62
RedHat Enterprise Linux Desktop: 6.0
RedHat Enterprise Linux Server: 6.0
RedHat Enterprise Linux Workstation: 6.0

How to fix

Upgrade to a fixed version: Google Chrome 67.0.3396.62. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/104309
http://www.securitytracker.com/id/1041014
https://access.redhat.com/errata/RHSA-2018:1815
https://chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop_58.html
https://crbug.com/805224
https://www.debian.org/security/2018/dsa-4237
http://www.securityfocus.com/bid/104309
http://www.securitytracker.com/id/1041014
https://access.redhat.com/errata/RHSA-2018:1815
https://chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop_58.html
https://crbug.com/805224
https://www.debian.org/security/2018/dsa-4237

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