CVE & CISA-KEV Catalog

CVE-2018-6065

HIGHCISA KEVEPSS 99th pctl
8.8
CVSS v3
NVD

Description

Integer overflow in computing the required allocation size when instantiating a new javascript object in V8 in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

How to fix

Remediation Available
Google ChromeWindows application
Affected:65.0.3325.146Fixed in:65.0.3325.146Google LLC
Google Chrome (EXE)Windows application
Affected:65.0.3325.146Fixed in:65.0.3325.146Google LLC
Google Chrome BetaWindows application
Affected:65.0.3325.146Fixed in:65.0.3325.146Google LLC
Google Chrome Beta (EXE)Windows application
Affected:65.0.3325.146Fixed in:65.0.3325.146Google LLC
Google Chrome CanaryWindows application
Affected:65.0.3325.146Fixed in:65.0.3325.146Google LLC
Google Chrome DevWindows application
Affected:65.0.3325.146Fixed in:65.0.3325.146Google LLC
Google Chrome Dev (EXE)Windows application
Affected:65.0.3325.146Fixed in:65.0.3325.146Google LLC

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

60.30%probability of exploitation in 30 days
99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Google Chromium V8 Integer Overflow Vulnerability

Google Chromium V8 Engine contains an integer overflow vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Apply updates per vendor instructions.

Remediation due: 2022-06-22

References

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-16040Medium6.5100%-Fix
CVE-2019-11477High7.599%-Fix
CVE-2023-44443High7.894%-Fix
CVE-2014-0569High9.392%--
CVE-2017-3599High7.584%-Fix
CVE-2023-21716Critical9.882%-Fix

Common questions

How do I fix CVE-2018-6065?

Published advisories record a fix for 7 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2018-6065 being actively exploited?

Yes. CVE-2018-6065 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2022-06-22. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2018-6065?

CVE-2018-6065 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2018-6065 affect?

Published advisories record a fix for Google Chrome (Windows application), Google Chrome (EXE) (Windows application), Google Chrome Beta (Windows application), Google Chrome Beta (EXE) (Windows application), and 3 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-24.