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.

How do I fix CVE-2021-30556?

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

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.

Can CVE-2021-30556 be exploited remotely?

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

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.

Vulnerability/
CVE-2021-30556

high

8.8

CWE

416

24/5/2021

2/7/2021

3/8/2024

CVE-2021-30556: Use after free in WebAudio

First published: Mon 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: chrome-cve-admin@google.com Yangkang @dnpushme 360 ATA

Affected Software	Affected Version	How to fix
Google Chrome	<91.0.4472.114
Fedoraproject Fedora	=33
Fedoraproject Fedora	=34
Google Chrome	<91.0.4472.114	91.0.4472.114

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

8794598538337601472

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

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.
How do I fix CVE-2021-30556?
To fix CVE-2021-30556, update Google Chrome to version 91.0.4472.114 or later.
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.
Can CVE-2021-30556 be exploited remotely?
Yes, CVE-2021-30556 allows potential remote exploitation through a crafted HTML page.
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.

agent/type
collector/nvd-index
agent/software-canonical-lookup-request
agent/weakness
agent/description
collector/chrome-releases
agent/software-canonical-lookup
agent/title
agent/author
agent/severity
agent/softwarecombine
agent/first-publish-date
collector/mitre-cve
source/MITRE
agent/references
agent/last-modified-date
agent/event
agent/trending
agent/tags
agent/source
vendor/google
canonical/google chrome
vendor/fedoraproject
canonical/fedoraproject fedora
version/fedoraproject fedora/33
version/fedoraproject fedora/34

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Frequently Asked Questions

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.
How do I fix CVE-2021-30556?
To fix CVE-2021-30556, update Google Chrome to version 91.0.4472.114 or later.
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.
Can CVE-2021-30556 be exploited remotely?
Yes, CVE-2021-30556 allows potential remote exploitation through a crafted HTML page.
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.