8.8
CWE
787 119
Advisory Published
CVE Published
Updated

CVE-2021-4055: Heap buffer overflow in extensions

First published: Wed Nov 03 2021(Updated: )

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: chrome-cve-admin@google.com Chen Rong chrome-cve-admin@google.com

Affected SoftwareAffected VersionHow to fix
debian/chromium<=90.0.4430.212-1~deb10u1
116.0.5845.180-1~deb11u1
118.0.5993.70-1~deb11u1
116.0.5845.180-1~deb12u1
118.0.5993.70-1~deb12u1
118.0.5993.70-1
Google Chrome<96.0.4664.93
Fedoraproject Fedora=34
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Google Chrome<96.0.4664.93
96.0.4664.93
<96.0.4664.93
=34
=10.0
=11.0

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Parent vulnerabilities

(Appears in the following advisories)

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.

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