CVE-2018-6055

Insufficient policy enforcement in Catalog Service in Google Chrome prior to 64.0.3282.119...

8.8 HighFix available

Insufficient policy enforcement in Catalog Service in Google Chrome prior to 64.0.3282.119 allowed a remote attacker to potentially run arbitrary code outside sandbox via a crafted HTML page.

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: High
Integrity: High
Availability: High

Exploit likelihood

1.14%Up 0.7 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

Insufficient policy enforcement in Catalog Service in Google Chrome prior to 64.0.3282.119 allowed a remote attacker to potentially run arbitrary code outside sandbox via a crafted HTML page.

Record: CVE-2018-6055
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Insufficient policy enforcement in Catalog Service in Google Chrome prior to 64.0.3282.119 allowed a remote attacker to potentially run arbitrary code outside sandbox via a crafted HTML page.

Record: CVE-2018-6055
Updated: 2026-11-02

EUVDEUVD-2018-17818 No score

Insufficient policy enforcement in Catalog Service in Google Chrome prior to 64.0.3282.119 allowed a remote attacker to potentially run arbitrary code outside sandbox via a crafted HTML page.

Record: EUVD-2018-17818
Updated: 2026-11-03

GitHub AdvisoriesGHSA-m6qv-gwg5-63c6 8.8

Insufficient policy enforcement in Catalog Service in Google Chrome prior to 64.0.3282.119...

Insufficient policy enforcement in Catalog Service in Google Chrome prior to 64.0.3282.119 allowed a remote attacker to potentially run arbitrary code outside sandbox via a crafted HTML page.

Record: GHSA-m6qv-gwg5-63c6
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-20
Updated: 2026-11-02

OSVRHSA-2018:0265 8.8

Red Hat Security Advisory: chromium-browser security update

Record: RHSA-2018:0265
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-2018-6055 8.8

Insufficient policy enforcement in Catalog Service in Google Chrome prior to 64.0.3282.119 allowed a remote attacker to potentially run arbitrary code outside sandbox via a crafted HTML page.

Record: UBUNTU-CVE-2018-6055
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

Affected products

google chrome

Affected packages

Affected packages
Package	Affected	Fixed
`chromium-browser` Debian:9 From an advisory covering 27 CVEs	before 64.0.3282.119-1~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 11 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~deb9u1	64.0.3282.119-1~deb9u1
`chromium-browser` Red Hat:rhel_extras:6 From an advisory covering 25 CVEs	before 0:64.0.3282.119-1.el6_9	0:64.0.3282.119-1.el6_9
`chromium-browser-debuginfo` Red Hat:rhel_extras:6 From an advisory covering 25 CVEs	before 0:64.0.3282.119-1.el6_9	0:64.0.3282.119-1.el6_9
`oxide-qt` Ubuntu:16.04:LTS	All versions, plus listed versions 1.9.5-0ubuntu11.10.3-0ubuntu0.15.10.11.10.3-0ubuntu0.15.10.21.11.3-0ubuntu31.11.4-0ubuntu1 Show 17 moreShow less 1.11.5-0ubuntu11.12.5-0ubuntu11.12.6-0ubuntu11.12.7-0ubuntu11.13.6-0ubuntu11.14.7-0ubuntu11.14.9-0ubuntu0.16.04.11.15.7-0ubuntu0.16.04.11.15.8-0ubuntu0.16.04.11.16.5-0ubuntu0.16.04.11.17.7-0ubuntu0.16.04.11.17.9-0ubuntu0.16.04.11.18.3-0ubuntu0.16.04.11.18.5-0ubuntu0.16.04.11.19.4-0ubuntu0.16.04.11.20.4-0ubuntu0.16.04.11.21.5-0ubuntu0.16.04.1	None known
`chromium-browser` Ubuntu:18.04:LTS	before 64.0.3282.119-0ubuntu1, plus listed versions 61.0.3163.100-0ubuntu1.137862.0.3202.62-0ubuntu0.17.10.138062.0.3202.89-0ubuntu1.138662.0.3202.94-0ubuntu1.138863.0.3239.84-0ubuntu163.0.3239.108-0ubuntu1	64.0.3282.119-0ubuntu1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
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-2018-6055 is a high vulnerability (CVSS 8.8) in Google Chrome, published January 31, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.14%, the 66th percentile. Fixed in chromium-browser 64.0.3282.119-0ubuntu1.

References

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