CVE-2018-6056

Type confusion could lead to a heap out-of-bounds write in V8 in Google Chrome prior to 64.0.3282...

8.8 HighFix available

Type confusion could lead to a heap out-of-bounds write in V8 in Google Chrome prior to 64.0.3282.168 allowing a remote attacker to execute arbitrary code inside a 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

9.38%Up 8.2 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

Type confusion could lead to a heap out-of-bounds write in V8 in Google Chrome prior to 64.0.3282.168 allowing a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Record: CVE-2018-6056
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-704
Updated: 2026-11-02

CVE List No score

Type confusion could lead to a heap out-of-bounds write in V8 in Google Chrome prior to 64.0.3282.168 allowing a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Record: CVE-2018-6056
Updated: 2026-11-02

EUVDEUVD-2018-17819 No score

Type confusion could lead to a heap out-of-bounds write in V8 in Google Chrome prior to 64.0.3282.168 allowing a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Record: EUVD-2018-17819
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9w6g-vm3j-6hg4 8.8

Type confusion could lead to a heap out-of-bounds write in V8 in Google Chrome prior to 64.0.3282...

Type confusion could lead to a heap out-of-bounds write in V8 in Google Chrome prior to 64.0.3282.168 allowing a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Record: GHSA-9w6g-vm3j-6hg4
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-704
Updated: 2026-11-02

OSVRHSA-2018:0334 8.8

Red Hat Security Advisory: chromium-browser security update

Record: RHSA-2018:0334
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-2018-6056 8.8

Type confusion could lead to a heap out-of-bounds write in V8 in Google Chrome prior to 64.0.3282.168 allowing a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Record: UBUNTU-CVE-2018-6056
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

Show 5 moreShow less

OSVMGASA-2018-0268 No score

Updated chromium-browser-stable packages fix security vulnerabilities

Chromium-browser 67.0.3396.62 fixes security issues:

Multiple flaws were found in the way Chromium 64.0.3282.140 processes various types of web content, where loading a web page containing malicious content could cause Chromium to crash, execute arbitrary code, or disclose sensitive information. (CVE-2017-11215, CVE-2017-11225, CVE-2018-6056, CVE-2018-6057, CVE-2018-6060, CVE-2018-6061, CVE-2018-6062, CVE-2018-6063, CVE-2018-6064, CVE-2018-6065, CVE-2018-6066, CVE-2018-6067, CVE-2018-6068, CVE-2018-6069, CVE-2018-6070, CVE-2018-6071, CVE-2018-6072, CVE-2018-6073, CVE-2018-6074, CVE-2018-6075, CVE-2018-6076, CVE-2018-6077, CVE-2018-6078, CVE-2018-6079, CVE-2018-6080, CVE-2018-6081, CVE-2018-6082, CVE-2018-6083, CVE-2018-6084, CVE-2018-6085, CVE-2018-6086, CVE-2018-6087, CVE-2018-6088, CVE-2018-6089, CVE-2018-6090, CVE-2018-6091, CVE-2018-6092, CVE-2018-6093, CVE-2018-6094, CVE-2018-6095, CVE-2018-6096, CVE-2018-6097, CVE-2018-6098, CVE-2018-6099, CVE-2018-6100, CVE-2018-6101, CVE-2018-6102, CVE-2018-6103, CVE-2018-6104, CVE-2018-6105, CVE-2018-6106, CVE-2018-6107, CVE-2018-6108, CVE-2018-6109, CVE-2018-6110, CVE-2018-6111, CVE-2018-6112, CVE-2018-6113, CVE-2018-6114, CVE-2018-6115, CVE-2018-6116, CVE-2018-6117, CVE-2018-6118, CVE-2018-6120, CVE-2018-6121, CVE-2018-6122, CVE-2018-6123, CVE-2018-6124, CVE-2018-6126, CVE-2018-6127, CVE-2018-6128, CVE-2018-6129, CVE-2018-6130, CVE-2018-6131, CVE-2018-6132, CVE-2018-6133, CVE-2018-6134, CVE-2018-6135, CVE-2018-6136, CVE-2018-6137, CVE-2018-6138, CVE-2018-6139, CVE-2018-6140, CVE-2018-6141, CVE-2018-6142, CVE-2018-6143, CVE-2018-6144, CVE-2018-6145, CVE-2018-6147)

Record: MGASA-2018-0268
Updated: 2026-11-02

OSVopenSUSE-SU-2018:0453-1 No score

Security update for chromium

This update for chromium to version 64.0.3282.167 fixes the following issue:

CVE-2018-6056: Incorrect derived class instantiation in V8 (bsc#1080920)

Record: openSUSE-SU-2018:0453-1
Updated: 2026-11-02

OSVopenSUSE-SU-2018:0454-1 No score

Security update for chromium

This update for chromium to version 64.0.3282.167 fixes the following issue:

CVE-2018-6056: Incorrect derived class instantiation in V8 (bsc#1080920)

Record: openSUSE-SU-2018:0454-1
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10681-1 No score

chromedriver-93.0.4577.82-1.1 on GA media

These are all security issues fixed in the chromedriver-93.0.4577.82-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10681-1
Updated: 2026-11-02

OSVopenSUSE-SU-2024:12948-1 No score

ungoogled-chromium-113.0.5672.92-1.1 on GA media

These are all security issues fixed in the ungoogled-chromium-113.0.5672.92-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:12948-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`chromium-browser` Debian:9 From an advisory covering 58 CVEs	before 66.0.3359.117-1~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 25 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~deb9u164.0.3282.119-265.0.3325.146-165.0.3325.146-265.0.3325.146-365.0.3325.146-465.0.3325.73-165.0.3325.74-166.0.3359.22-166.0.3359.22-266.0.3359.22-366.0.3359.26-166.0.3359.26-2	66.0.3359.117-1~deb9u1
`chromium-browser-stable` Mageia:6 From an advisory covering 89 CVEs	before 67.0.3396.62-1.mga6	67.0.3396.62-1.mga6
`chromium-browser` Red Hat:rhel_extras:6	before 0:64.0.3282.167-1.el6_9	0:64.0.3282.167-1.el6_9
`chromium-browser-debuginfo` Red Hat:rhel_extras:6	before 0:64.0.3282.167-1.el6_9	0:64.0.3282.167-1.el6_9
`chromium-browser` Ubuntu:14.04:LTS	before 64.0.3282.167-0ubuntu0.14.04.1, plus listed versions 29.0.1547.65-0ubuntu231.0.1650.63-0ubuntu1~20131204.132.0.1700.107-0ubuntu1~20140204.977.133.0.1750.152-0ubuntu1~pkg995.134.0.1847.116-0ubuntu2 Show 41 moreShow less 36.0.1985.125-0ubuntu1.14.04.0~pkg102937.0.2062.94-0ubuntu0.14.04.1~pkg104237.0.2062.120-0ubuntu0.14.04.1~pkg104938.0.2125.111-0ubuntu0.14.04.1.106139.0.2171.65-0ubuntu0.14.04.1.106440.0.2214.94-0ubuntu0.14.04.1.106840.0.2214.111-0ubuntu0.14.04.1.106941.0.2272.76-0ubuntu0.14.04.1.107643.0.2357.81-0ubuntu0.14.04.1.108943.0.2357.130-0ubuntu0.14.04.1.109244.0.2403.89-0ubuntu0.14.04.1.109545.0.2454.85-0ubuntu0.14.04.1.109745.0.2454.101-0ubuntu0.14.04.1.109947.0.2526.73-0ubuntu0.14.04.1.110647.0.2526.106-0ubuntu0.14.04.1.110748.0.2564.82-0ubuntu0.14.04.1.110848.0.2564.116-0ubuntu0.14.04.1.111149.0.2623.87-0ubuntu0.14.04.1.111249.0.2623.108-0ubuntu0.14.04.1.111350.0.2661.102-0ubuntu0.14.04.1.111751.0.2704.79-0ubuntu0.14.04.1.112152.0.2743.116-0ubuntu0.14.04.1.113453.0.2785.143-0ubuntu0.14.04.1.114253.0.2785.143-0ubuntu0.14.04.1.114558.0.3029.81-0ubuntu0.14.04.117258.0.3029.96-0ubuntu0.14.04.117458.0.3029.110-0ubuntu0.14.04.117659.0.3071.109-0ubuntu0.14.04.118659.0.3071.109-0ubuntu0.14.04.118860.0.3112.78-0ubuntu0.14.04.119060.0.3112.113-0ubuntu0.14.04.119461.0.3163.79-0ubuntu0.14.04.119661.0.3163.100-0ubuntu0.14.04.120262.0.3202.62-0ubuntu0.14.04.120462.0.3202.75-0ubuntu0.14.04.121162.0.3202.89-0ubuntu0.14.04.121362.0.3202.94-0ubuntu0.14.04.121563.0.3239.84-0ubuntu0.14.04.163.0.3239.132-0ubuntu0.14.04.164.0.3282.119-0ubuntu0.14.04.164.0.3282.140-0ubuntu0.14.04.1	64.0.3282.167-0ubuntu0.14.04.1
`chromium-browser` Ubuntu:16.04:LTS	before 64.0.3282.167-0ubuntu0.16.04.1, plus listed versions 45.0.2454.101-0ubuntu1.120147.0.2526.73-0ubuntu1.121847.0.2526.106-0ubuntu1.122148.0.2564.82-0ubuntu1.122248.0.2564.116-0ubuntu1.1229 Show 27 moreShow less 49.0.2623.87-0ubuntu1.123249.0.2623.108-0ubuntu1.123350.0.2661.102-0ubuntu0.16.04.1.123751.0.2704.79-0ubuntu0.16.04.1.124252.0.2743.116-0ubuntu0.16.04.1.125053.0.2785.143-0ubuntu0.16.04.1.125453.0.2785.143-0ubuntu0.16.04.1.125755.0.2883.87-0ubuntu0.16.04.126356.0.2924.76-0ubuntu0.16.04.126857.0.2987.98-0ubuntu0.16.04.127658.0.3029.81-0ubuntu0.16.04.127758.0.3029.96-0ubuntu0.16.04.127958.0.3029.110-0ubuntu0.16.04.128159.0.3071.109-0ubuntu0.16.04.128959.0.3071.109-0ubuntu0.16.04.129160.0.3112.78-0ubuntu0.16.04.129360.0.3112.113-0ubuntu0.16.04.129861.0.3163.79-0ubuntu0.16.04.130061.0.3163.100-0ubuntu0.16.04.130662.0.3202.62-0ubuntu0.16.04.130862.0.3202.75-0ubuntu0.16.04.131362.0.3202.89-0ubuntu0.16.04.131562.0.3202.94-0ubuntu0.16.04.131763.0.3239.84-0ubuntu0.16.04.163.0.3239.132-0ubuntu0.16.04.164.0.3282.119-0ubuntu0.16.04.164.0.3282.140-0ubuntu0.16.04.1	64.0.3282.167-0ubuntu0.16.04.1
`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
`libv8-3.14` Ubuntu:16.04:LTS	All versions, plus listed versions 3.14.5.8-5ubuntu2	None known
`chromium-browser` Ubuntu:18.04:LTS	before 64.0.3282.167-0ubuntu1, plus listed versions 61.0.3163.100-0ubuntu1.137862.0.3202.62-0ubuntu0.17.10.138062.0.3202.89-0ubuntu1.138662.0.3202.94-0ubuntu1.138863.0.3239.84-0ubuntu163.0.3239.108-0ubuntu164.0.3282.119-0ubuntu164.0.3282.140-0ubuntu1	64.0.3282.167-0ubuntu1
`libv8-3.14` Ubuntu:18.04:LTS	All versions, plus listed versions 3.14.5.8-11ubuntu1	None known
`chromium` SUSE:Package Hub 12 SP2	before 64.0.3282.167-52.1	64.0.3282.167-52.1
`chromium` openSUSE:Tumbleweed From an advisory covering 1081 CVEs	before 93.0.4577.82-1.1	93.0.4577.82-1.1
`chromium` openSUSE:Tumbleweed From an advisory covering 2310 CVEs	before 113.0.5672.92-1.1	113.0.5672.92-1.1

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-2018-6056 is a high vulnerability (CVSS 8.8) in Google Chrome, published February 15, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.38%, the 95th percentile. Fixed in chromium-browser 0:64.0.3282.167-1.el6_9.

References

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