CVE-2021-37975: 37976 exist in the wild

Published Sep 30, 2021
·
Updated

Google Chromium V8 Engine contains a use-after-free 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.

Other sources

Use after free in V8 in Google Chrome prior to 94.0.4606.71 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected Software

9 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
Google Chrome<94.0.4606.71
94.0.4606.71
Google Chromium V8
Google Chrome<94.0.4606.71
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Fedoraproject Fedora=35
Debian Debian Linux=10.0
Debian Debian Linux=11.0

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 94.0.4606.71

Event History

Sep 30, 2021
CVE Published
12:00 AM
Known Exploited
12:00 AM
Oct 8, 2021
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2021-37975?

CVE-2021-37975 is a use-after-free vulnerability in Google Chromium V8 Engine.

2

Which software is affected by CVE-2021-37975?

Web browsers that utilize Chromium, including Google Chrome and Microsoft Edge.

3

What is the severity of CVE-2021-37975?

The severity of CVE-2021-37975 is high with a CVSS score of 8.8.

4

How can I fix CVE-2021-37975?

Update your web browser, such as Google Chrome or Microsoft Edge, to the latest version that includes the fix for CVE-2021-37975.

5

Where can I find more information about CVE-2021-37975?

You can find more information about CVE-2021-37975 at the following references: [link1], [link2], [link3].

Contact

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