CVE-2021-30556: Use after free in WebAudio

Published May 24, 2021
·
Updated

Use after free in WebAudio in Google Chrome prior to 91.0.4472.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Credit

Yangkang@@dnpushme(360 ATA)

Affected Software

4 affected componentsFixes available
Google Chrome<91.0.4472.114
91.0.4472.114
Google Chrome<91.0.4472.114
fedoraproject fedora=33
fedoraproject fedora=34

Event History

May 24, 2021
CVE Published
12:00 AM
Jul 2, 2021
CVE Published
via MITRE·06:45 PM
Data Sourced
via MITRE·06:45 PM
DescriptionWeakness

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 the severity of CVE-2021-30556?

CVE-2021-30556 has a high severity rating due to the potential for remote exploitation leading to heap corruption.

2

How do I fix CVE-2021-30556?

To fix CVE-2021-30556, update Google Chrome to version 91.0.4472.114 or later.

3

Which versions of Google Chrome are affected by CVE-2021-30556?

Google Chrome versions prior to 91.0.4472.114 are affected by CVE-2021-30556.

4

Can CVE-2021-30556 be exploited remotely?

Yes, CVE-2021-30556 allows potential remote exploitation through a crafted HTML page.

5

What is the impact of CVE-2021-30556?

The impact of CVE-2021-30556 may include arbitrary code execution due to heap corruption in the WebAudio component.

Contact

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