CVE-2021-37961: Use after free in Tab Strip

Published Jul 13, 2021
·
Updated

Use after free in Tab Strip in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Credit

Khalil Zhani

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

Jul 13, 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 the severity of CVE-2021-37961?

CVE-2021-37961 has a high severity rating due to its potential to allow a remote attacker to exploit heap corruption.

2

How do I fix CVE-2021-37961?

To fix CVE-2021-37961, upgrade to Google Chrome version 94.0.4606.54 or later, or update your affected Chromium version accordingly.

3

Which versions are affected by CVE-2021-37961?

CVE-2021-37961 affects Google Chrome versions prior to 94.0.4606.54 and specific older versions of Chromium.

4

How does CVE-2021-37961 impact users?

CVE-2021-37961 could allow attackers to execute arbitrary code by exploiting a use-after-free vulnerability in the Tab Strip component of Chrome.

5

What platforms are impacted by CVE-2021-37961?

CVE-2021-37961 impacts users on multiple platforms including Debian-based systems and Fedora, utilizing vulnerable Chrome and Chromium versions.

Contact

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