CVE-2021-21167: Use after free in bookmarks

Published Dec 22, 2020
·
Updated

Use after free in bookmarks in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Credit

Leecraso(360 Alpha Lab), Guang Gong(360 Alpha Lab)

Affected Software

7 affected componentsFixes available
debian/chromium
90.0.4430.212-1~deb10u1116.0.5845.180-1~deb11u1118.0.5993.70-1~deb11u1116.0.5845.180-1~deb12u1118.0.5993.70-1~deb12u1118.0.5993.70-1
Google Chrome<89.0.4389.72
89.0.4389.72
Google Chrome<89.0.4389.72
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Debian Debian Linux=10.0

Remediation

Event History

Dec 22, 2020
CVE Published
12:00 AM
Mar 9, 2021
CVE Published
via MITRE·05:46 PM
Data Sourced
via MITRE·05:46 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2021-21167?

CVE-2021-21167 is classified as a high severity vulnerability due to its potential for exploitation leading to heap corruption.

2

How do I fix CVE-2021-21167?

To resolve CVE-2021-21167, users should update Google Chrome or Chromium to version 90.0.4430.212 or later.

3

What types of systems are affected by CVE-2021-21167?

CVE-2021-21167 affects Google Chrome prior to version 89.0.4389.72 and several versions of Chromium on Debian and Fedora.

4

Can CVE-2021-21167 lead to remote code execution?

Yes, CVE-2021-21167 can potentially allow a remote attacker to execute arbitrary code via a crafted HTML page.

5

Is CVE-2021-21167 specific to any operating system?

No, CVE-2021-21167 impacts Google Chrome and Chromium across multiple operating systems, including Windows, macOS, and Linux.

Contact

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