CVE-2021-37986: Heap buffer overflow in Settings

Published Aug 23, 2021
·
Updated

Heap buffer overflow in Settings in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to engage with Dev Tools to potentially exploit heap corruption via a crafted HTML page.

Credit

raven@@raid_akame

Affected Software

5 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<95.0.4638.54
95.0.4638.54
Google Chrome<95.0.4638.54
Debian Debian Linux=10.0
Debian Debian Linux=11.0

Event History

Aug 23, 2021
CVE Published
12:00 AM
Nov 2, 2021
CVE Published
via MITRE·09:05 PM
Data Sourced
via MITRE·09:05 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-2021-37986?

CVE-2021-37986 is classified as a high severity vulnerability due to the potential for remote exploitation through heap buffer overflow.

2

What versions are affected by CVE-2021-37986?

CVE-2021-37986 affects Google Chrome versions prior to 95.0.4638.54 and certain versions of Debian's Chromium package.

3

How do I fix CVE-2021-37986?

To fix CVE-2021-37986, update Google Chrome to version 95.0.4638.54 or later, or update the Debian Chromium package to the recommended versions.

4

Can CVE-2021-37986 be exploited remotely?

Yes, CVE-2021-37986 allows a remote attacker to exploit heap corruption via a crafted HTML page.

5

What is a heap buffer overflow as seen in CVE-2021-37986?

A heap buffer overflow occurs when data is written beyond the limits of a buffer allocated in the heap, which can lead to memory corruption and potential arbitrary code execution.

Contact

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