PHP2Shell: Read our blog on the critical RCE vulnerabilities affecting 70% of the Internet

CVE-2020-15965: 
Google Chrome vulnerability analysis and mitigation

Overview

CVE-2020-15965 is a type confusion vulnerability discovered in V8, the JavaScript engine of Google Chrome versions prior to 85.0.4183.121. The vulnerability was disclosed on September 21, 2020, and affects the Chrome browser's ability to handle memory access via crafted HTML pages (NVD, Chrome Release).

Technical details

The vulnerability is classified as a type confusion issue (CWE-843) in the V8 JavaScript engine that could allow an attacker to perform out-of-bounds memory access. It has been assigned a CVSS v3.1 base score of 8.8 (HIGH), with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating network vector access, low attack complexity, no privileges required, and user interaction required (NVD).

Impact

The vulnerability could potentially allow an attacker to perform out-of-bounds memory access through a specially crafted HTML page, which could lead to arbitrary code execution, information disclosure, or system compromise (NVD, Gentoo Advisory).

Exploitability

The vulnerability requires user interaction and can be exploited remotely through a crafted HTML page. The attack complexity is considered low, requiring no special privileges for exploitation (NVD).

Mitigation and workarounds

The vulnerability was patched in Chrome version 85.0.4183.121. Users and administrators are advised to upgrade to this version or later. Multiple Linux distributions have also released security updates to address this vulnerability, including Debian, Fedora, and openSUSE (Chrome Release, Debian Advisory).

Additional resources


Source: This report was generated using AI

Related Google Chrome vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-113342CRITICAL9.6
  • Google Chrome logoGoogle Chrome
  • chromium
NoYesOct 20, 2026
CVE-2026-113344HIGH8.8
  • Google Chrome logoGoogle Chrome
  • cpe:2.3:a:google:chrome
NoYesOct 20, 2026
CVE-2026-113343HIGH8.8
  • Google Chrome logoGoogle Chrome
  • cpe:2.3:a:google:chrome
NoYesOct 20, 2026
CVE-2026-113341MEDIUM6.5
  • Google Chrome logoGoogle Chrome
  • webkitgtk4
NoYesOct 20, 2026
CVE-2026-113340MEDIUM6.5
  • Google Chrome logoGoogle Chrome
  • cpe:2.3:a:google:chrome
NoYesOct 20, 2026

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management