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CVE-2018-6065

HighPublished

Google Chromium V8 Integer Overflow Vulnerability

Published: Nov 14, 2018
Updated: Oct 21, 2025
Assigning CNA: Chrome
Evidence observed: May 4, 2018

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

60.3%

High · next 30 days

Percentile: 99.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

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.

Sources

CVE-2018-6065-exploitExploit
Exploit for Chrome V8 CVE-2018-6065, a type confusion vulnerability, with build instructions and analysis blog post for educational research.
Google Chrome V8 - Object Allocation Size Integer OverflowExploit
Google Security Research · multiple · May 4, 2018

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