#VU54004 Use-after-free in Google Chrome

Published: 2021-06-09 | Updated: 2021-06-10

Vulnerability identifier: #VU54004

Vulnerability risk: High


CVE-ID: CVE-2021-30549


Exploitation vector: Network

Exploit availability:

Vulnerable software:
Google Chrome
Client/Desktop applications / Web browsers

Vendor: Google


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Spell check component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Update to version 91.0.4472.101.

Vulnerable software versions

Google Chrome: 89.0.4389.72 - 91.0.4472.77

Fixed software versions


External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

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