CVE-2021-37984: Heap buffer overflow in PDFium

Published Sep 27, 2021
·
Updated

Heap buffer overflow in PDFium in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Credit

Antti Levomäki(Forcepoint), Joonas Pihlaja(Forcepoint), Christian Jalio(Forcepoint)

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

Sep 27, 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-2021-37984?

CVE-2021-37984 is considered a critical vulnerability due to the potential for remote code execution through heap corruption.

2

How do I fix CVE-2021-37984?

To fix CVE-2021-37984, update Google Chrome to version 95.0.4638.54 or later, or update your Chromium package to the patched version in Debian.

3

Which versions of Chrome are affected by CVE-2021-37984?

Versions of Google Chrome prior to 95.0.4638.54 are affected by CVE-2021-37984.

4

Can CVE-2021-37984 be exploited remotely?

Yes, CVE-2021-37984 allows a remote attacker to exploit the vulnerability via a specially crafted HTML page.

5

Which software needs to be updated to patch CVE-2021-37984?

You need to update Google Chrome or the Chromium package in Debian to mitigate the risks associated with CVE-2021-37984.

Contact

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