CVE-2021-21106: Use after free in autofill

Published Nov 13, 2020
·
Updated

Use after free in autofill in Google Chrome prior to 87.0.4280.141 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Credit

Weipeng Jiang@@Krace(Codesafe Team of Legendsec at Qi'anxin Group)

Affected Software

6 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<87.0.4280.141
87.0.4280.141
Google Chrome<87.0.4280.141
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Debian Debian Linux=10.0

Event History

Nov 13, 2020
CVE Published
12:00 AM
Jan 8, 2021
CVE Published
via MITRE·05:56 PM
Data Sourced
via MITRE·05:56 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2021-21106?

CVE-2021-21106 has a high severity rating due to its potential for sandbox escape and remote code execution.

2

How do I fix CVE-2021-21106?

To remediate CVE-2021-21106, users should update Google Chrome to version 87.0.4280.141 or later.

3

What products are affected by CVE-2021-21106?

CVE-2021-21106 affects Google Chrome prior to version 87.0.4280.141 and various versions of Chromium.

4

Can CVE-2021-21106 be exploited remotely?

Yes, CVE-2021-21106 can potentially be exploited remotely through a crafted HTML page.

5

Is it safe to use unpatched versions of Chrome due to CVE-2021-21106?

Using unpatched versions of Chrome with CVE-2021-21106 is not safe and exposes users to significant security risks.

Contact

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