CVE-2023-3420: Type Confusion in V8

Published Jun 7, 2023
·
Updated

Chromium: CVE-2023-3420 Type Confusion in V8

Other sources

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

Type Confusion in V8 in Google Chrome prior to 114.0.5735.198 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Credit

Man Yue Mo(GitHub Security Lab)

Affected Software

7 affected componentsFixes available
debian/chromium<=90.0.4430.212-1~deb10u1
116.0.5845.180-1~deb11u1118.0.5993.70-1~deb11u1116.0.5845.180-1~deb12u1118.0.5993.70-1~deb12u1118.0.5993.70-1
Microsoft Edge (Chromium-based)
Microsoft Edge<114.0.1823.67
Google Chrome<114.0.5735.198
114.0.5735.198
Google Chrome<114.0.5735.198
Debian Linux=11.0
Debian Linux=12.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 116.0.5845.180-1~deb11u1Fixed in 118.0.5993.70-1~deb11u1Fixed in 116.0.5845.180-1~deb12u1Fixed in 118.0.5993.70-1~deb12u1Fixed in 118.0.5993.70-1
  2. Upgrade

    Upgrade Google Chrome (Trace Event) to a version that resolves this vulnerability.

    Fixed in 114.0.5735.198
  3. Upgrade

    Upgrade Google Chrome / Chromium (V8) to a version that resolves this vulnerability.

    Fixed in 114.0.5735.198

Event History

Jun 7, 2023
CVE Published
12:00 AM
Jun 26, 2023
CVE Published
via MITRE·08:40 PM
Data Sourced
via MITRE·08:40 PM
DescriptionWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2023-3420?

CVE-2023-3420 is a vulnerability in V8 in Google Chrome and Microsoft Edge (Chromium-based) that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page.

2

What is the severity of CVE-2023-3420?

The severity of CVE-2023-3420 is High.

3

How can I check if I am affected by CVE-2023-3420?

You can check if you are affected by CVE-2023-3420 by verifying your Chrome or Microsoft Edge (Chromium-based) browser version.

4

How do I fix CVE-2023-3420?

To fix CVE-2023-3420, update your Google Chrome to version 114.0.5735.198 or later and Microsoft Edge (Chromium-based) to the latest version.

5

Where can I find more information about CVE-2023-3420?

You can find more information about CVE-2023-3420 on the Microsoft Security Response Center website and the Google Chrome Releases blog.

Contact

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