CVE-2021-30576: Use after free in DevTools

Published Apr 1, 2021
·
Updated

Use after free in DevTools in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.

Credit

David Erceg

Affected Software

16 affected componentsFixes available
Google Chrome<92.0.4515.107
92.0.4515.107
Google Chrome<92.0.4515.107
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Fedoraproject Fedora=35
alpine/chromium<92.0.4515.107-r0
92.0.4515.107-r0
alpine/chromium<92.0.4515.107-r0
92.0.4515.107-r0
alpine/chromium<92.0.4515.107-r0
92.0.4515.107-r0
alpine/chromium<92.0.4515.107-r0
92.0.4515.107-r0
alpine/chromium<92.0.4515.107-r0
92.0.4515.107-r0
alpine/chromium<92.0.4515.107-r0
92.0.4515.107-r0
alpine/chromium<92.0.4515.107-r0
92.0.4515.107-r0
alpine/chromium<92.0.4515.107-r0
92.0.4515.107-r0
alpine/chromium<92.0.4515.107-r0
92.0.4515.107-r0
alpine/chromium<92.0.4515.107-r0
92.0.4515.107-r0
alpine/chromium<92.0.4515.107-r0
92.0.4515.107-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 92.0.4515.107
  2. Upgrade

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

    Fixed in 92.0.4515.107-r0
  3. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 92.0.4515.107

Event History

Apr 1, 2021
CVE Published
12:00 AM
Aug 3, 2021
CVE Published
via MITRE·07:41 PM
Data Sourced
via MITRE·07:41 PM
DescriptionWeakness
Data Sourced
via OSV·08:15 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2021-30576?

CVE-2021-30576 has a high severity rating due to the potential exploitation of heap corruption.

2

How do I fix CVE-2021-30576?

To fix CVE-2021-30576, ensure that you update Google Chrome to version 92.0.4515.107 or later.

3

Which versions of Google Chrome are affected by CVE-2021-30576?

CVE-2021-30576 affects Google Chrome versions prior to 92.0.4515.107.

4

Can CVE-2021-30576 be exploited through a web page?

Yes, CVE-2021-30576 can be exploited via a crafted HTML page if a malicious extension is installed.

5

Is CVE-2021-30576 specific to any operating system?

CVE-2021-30576 affects Google Chrome and is applicable across various operating systems including Windows and Linux distributions like Fedora.

Contact

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