CVE-2021-4055: Heap buffer overflow in extensions
Heap buffer overflow in extensions in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Google Chrome (Trace Event)to a version that resolves this vulnerability.Fixed in 96.0.4664.93 - Upgrade
Upgrade
debian/chromiumto a version that resolves this vulnerability.Fixed in 150.0.7871.100-1~deb12u1Fixed in 156.0.8078.79-1~deb12u1Fixed in 150.0.7871.181-1~deb13u1Fixed in 156.0.8078.79-1~deb13u1Fixed in 156.0.8078.79-1 - Upgrade
Upgrade
Google Chrometo a version that resolves this vulnerability.Fixed in 96.0.4664.93
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is CVE-2021-4055?
CVE-2021-4055 is a heap buffer overflow vulnerability in extensions in Google Chrome.
What is the severity of CVE-2021-4055?
The severity of CVE-2021-4055 is not specified in the provided information.
How can an attacker exploit CVE-2021-4055?
An attacker can exploit CVE-2021-4055 by convincing a user to install a malicious extension, which can potentially lead to heap corruption.
Which versions of Google Chrome are affected by CVE-2021-4055?
Versions prior to 96.0.4664.93 of Google Chrome are affected by CVE-2021-4055.
How can I fix CVE-2021-4055?
To fix CVE-2021-4055, users should update their Google Chrome to version 96.0.4664.93 or newer.