CVE-2021-4052: Use after free in web apps
Use after free in web apps 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 the severity of CVE-2021-4052?
CVE-2021-4052 has been classified as a high-severity vulnerability due to the potential for exploitative heap corruption by malicious Chrome extensions.
How do I fix CVE-2021-4052?
To fix CVE-2021-4052, update Google Chrome to version 96.0.4664.93 or later.
Which versions of Chrome are affected by CVE-2021-4052?
CVE-2021-4052 affects all versions of Google Chrome prior to 96.0.4664.93.
Can CVE-2021-4052 affect Debian users?
Yes, Debian users running Chromium versions up to and including 90.0.4430.212-1 are affected by CVE-2021-4052.
What type of attack could exploit CVE-2021-4052?
CVE-2021-4052 can be exploited by an attacker who convinces a user to install a malicious Chrome extension, leading to potential heap corruption.