CVE-2018-16064

Insufficient data validation in Extensions API in Google Chrome prior to 68.0.3440.75 allowed an...

6.5 MediumFix available

Insufficient data validation in Extensions API in Google Chrome prior to 68.0.3440.75 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: None

Exploit likelihood

0.49%Up 0.2 points since Apr 14, 2021

What each source reports

NVD Score used 6.5

Record: CVE-2018-16064
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-16064
Updated: 2026-11-02

EUVDEUVD-2018-7921 No score

Record: EUVD-2018-7921
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2fw9-5c4f-hmp4 6.5

Insufficient data validation in Extensions API in Google Chrome prior to 68.0.3440.75 allowed an...

Record: GHSA-2fw9-5c4f-hmp4
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness: CWE-20
Updated: 2026-11-02

OSVRHSA-2018:2282 8.8

Red Hat Security Advisory: chromium-browser security update

Record: RHSA-2018:2282
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-16064 6.5

Record: UBUNTU-CVE-2018-16064
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Updated: 2026-11-02

Affected products

google chrome

Affected packages

Affected packages
Package	Affected	Fixed
`chromium-browser` Debian:9	before 68.0.3440.75-1~deb9u1, plus listed versions 59.0.3071.104-159.0.3071.86-160.0.3112.72-160.0.3112.78-160.0.3112.78-1~deb9u1 Show 43 moreShow less 61.0.3163.100-161.0.3163.100-1~deb9u161.0.3163.100-262.0.3202.75-162.0.3202.75-1~deb9u162.0.3202.89-162.0.3202.89-1~deb9u163.0.3239.30-163.0.3239.40-163.0.3239.84-163.0.3239.84-1~deb9u164.0.3282.119-164.0.3282.119-1~deb9u164.0.3282.119-265.0.3325.146-165.0.3325.146-265.0.3325.146-365.0.3325.146-465.0.3325.73-165.0.3325.74-166.0.3359.117-166.0.3359.117-1~deb9u166.0.3359.139-166.0.3359.181-166.0.3359.22-166.0.3359.22-266.0.3359.22-366.0.3359.26-166.0.3359.26-267.0.3396.48-167.0.3396.56-167.0.3396.57-167.0.3396.62-167.0.3396.62-267.0.3396.79-167.0.3396.79-267.0.3396.87-167.0.3396.87-1~deb9u168.0.3440.17-168.0.3440.25-168.0.3440.33-168.0.3440.42-168.0.3440.7-1	68.0.3440.75-1~deb9u1
`chromium-browser` Red Hat:rhel_extras:6	before 0:68.0.3440.75-1.el6_10	0:68.0.3440.75-1.el6_10
`chromium-browser-debuginfo` Red Hat:rhel_extras:6	before 0:68.0.3440.75-1.el6_10	0:68.0.3440.75-1.el6_10

History

History
Recorded	Changed	Sources
Nov 3, 2026	affected
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-16064 is a medium vulnerability (CVSS 6.5) in Google Chrome, published July 26, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. Fixed in chromium-browser 68.0.3440.75-1~deb9u1.

References

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