What is the severity of CVE-2021-38499?

The severity of CVE-2021-38499 is high, with a severity value of 8.8.

What is the affected software for CVE-2021-38499?

The affected software for CVE-2021-38499 is Mozilla Firefox, up to version 93.0.

How can CVE-2021-38499 be exploited?

CVE-2021-38499 can be exploited by running arbitrary code through memory corruption.

How can I fix CVE-2021-38499?

To fix CVE-2021-38499, update Mozilla Firefox to version 93.0 or higher.

Is there any additional information available for CVE-2021-38499?

Yes, you can find additional information about CVE-2021-38499 in the references provided: [link 1](https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723170%2C1725356%2C1727364), [link 2](https://www.mozilla.org/en-US/security/advisories/mfsa2021-43/), [link 3](https://bugzilla.mozilla.org/buglist.cgi?bug_id=1667102%2C1723170%2C1725356%2C1727364).

Vulnerability/
CVE-2021-38499

high

8.8

CWE

787

5/10/2021

3/11/2021

4/8/2024

CVE-2021-38499

First published: Tue Oct 05 2021(Updated: )

Mozilla developers and community members Julien Cristau, Christian Holler reported memory safety bugs present in Firefox 92. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

Credit: security@mozilla.org

Affected Software	Affected Version	How to fix
Mozilla Firefox	<93	93
	<93	93
Mozilla Firefox	<93.0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

MFSA2021-43

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

What is the severity of CVE-2021-38499?
The severity of CVE-2021-38499 is high, with a severity value of 8.8.
What is the affected software for CVE-2021-38499?
The affected software for CVE-2021-38499 is Mozilla Firefox, up to version 93.0.
How can CVE-2021-38499 be exploited?
CVE-2021-38499 can be exploited by running arbitrary code through memory corruption.
How can I fix CVE-2021-38499?
To fix CVE-2021-38499, update Mozilla Firefox to version 93.0 or higher.
Is there any additional information available for CVE-2021-38499?
Yes, you can find additional information about CVE-2021-38499 in the references provided: [link 1](https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723170%2C1725356%2C1727364), [link 2](https://www.mozilla.org/en-US/security/advisories/mfsa2021-43/), [link 3](https://bugzilla.mozilla.org/buglist.cgi?bug_id=1667102%2C1723170%2C1725356%2C1727364).

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source/Mozilla
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collector/nvd-index
collector/mitre-cve
source/MITRE
vendor/mozilla
canonical/mozilla firefox

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