CVE-2021-30545: Use after free in Extensions

Published Apr 21, 2021
·
Updated

Use after free in Extensions in Google Chrome prior to 91.0.4472.101 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

Credit

kkwon with everpall, kkomdal

Affected Software

4 affected componentsFixes available
Google Chrome<91.0.4472.101
91.0.4472.101
Google Chrome<91.0.4472.101
fedoraproject fedora=33
fedoraproject fedora=34

Event History

Apr 21, 2021
CVE Published
12:00 AM
Jun 15, 2021
CVE Published
via MITRE·09:40 PM
Data Sourced
via MITRE·09:40 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2021-30545?

CVE-2021-30545 has a severity rating that suggests it poses a significant security risk due to potential heap corruption.

2

How do I fix CVE-2021-30545?

To fix CVE-2021-30545, update Google Chrome to version 91.0.4472.101 or later.

3

What types of systems are affected by CVE-2021-30545?

CVE-2021-30545 affects Google Chrome versions prior to 91.0.4472.101 as well as Fedora 33 and 34.

4

Can CVE-2021-30545 be exploited remotely?

Yes, CVE-2021-30545 can be exploited remotely by an attacker through a crafted HTML page.

5

What capabilities does an attacker gain from CVE-2021-30545?

An attacker may gain the ability to execute arbitrary code or cause a denial of service through heap corruption.

Contact

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