CVE-2021-37956: Use after free in Offline use

Published Aug 24, 2021
·
Updated

Use after free in Offline use in Google Chrome on Android prior to 94.0.4606.54 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

Credit

Huyna at Viettel Cyber Security

Affected Software

7 affected componentsFixes available
debian/chromium<=90.0.4430.212-1~deb10u1
116.0.5845.180-1~deb11u1118.0.5993.70-1~deb11u1116.0.5845.180-1~deb12u1118.0.5993.70-1~deb12u1118.0.5993.70-1
Google Chrome<94.0.4606.54
94.0.4606.54
Google Chrome<94.0.4606.54
Fedoraproject Fedora=33
Fedoraproject Fedora=35
Debian Debian Linux=10.0
Debian Debian Linux=11.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 116.0.5845.180-1~deb11u1Fixed in 118.0.5993.70-1~deb11u1Fixed in 116.0.5845.180-1~deb12u1Fixed in 118.0.5993.70-1~deb12u1Fixed in 118.0.5993.70-1
  2. Upgrade

    Upgrade Google Chrome (Trace Event) to a version that resolves this vulnerability.

    Fixed in 94.0.4606.54

Event History

Aug 24, 2021
CVE Published
12:00 AM
Oct 8, 2021
CVE Published
via MITRE·09:30 PM
Data Sourced
via MITRE·09:30 PM
DescriptionWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-37956?

CVE-2021-37956 is a vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page in Google Chrome on Android prior to version 94.0.4606.54.

2

How can CVE-2021-37956 be exploited?

CVE-2021-37956 can be exploited by a remote attacker who has compromised the renderer process and uses a crafted HTML page.

3

What is the affected software for CVE-2021-37956?

The affected software for CVE-2021-37956 is Google Chrome on Android prior to version 94.0.4606.54.

4

How can I fix CVE-2021-37956?

You can fix CVE-2021-37956 by updating Google Chrome on Android to version 94.0.4606.54 or later.

5

Is there any additional information available for CVE-2021-37956?

Yes, you can find additional information about CVE-2021-37956 at the following reference: [Link](https://security-tracker.debian.org/tracker/CVE-2021-37956).

Contact

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