CVE-2021-30565 Memory corruption in Chrome

High 8.8 Published Updated

An attacker can perform an out-of-bounds memory write via a crafted HTML page, potentially leading to code execution, requiring user interaction to install a malicious extension.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2021-30565?

CVE-2021-30565 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 3 Aug 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Out of bounds write in Tab Groups in Google Chrome on Linux and ChromeOS prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory write via a crafted HTML page.

Weakness: CWE-787

Which versions are affected by CVE-2021-30565?

It affects 2 products.

Products include Fedoraproject Fedora, Google Chrome.

How do I fix CVE-2021-30565?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-30565 being exploited?

There is no known exploitation of CVE-2021-30565 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as CLEANSTART-2024-DM83445, DEBIAN-CVE-2021-30565, GHSA-h3p6-qjpv-q3p7, UBUNTU-CVE-2021-30565.

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