What is CVE-2020-1912 vulnerability?

CVE-2020-1912 is an out-of-bounds read/write vulnerability in Facebook Hermes that allows attackers to potentially execute arbitrary code via crafted JavaScript.

How severe is the CVE-2020-1912 vulnerability?

The severity of CVE-2020-1912 vulnerability is high with a severity value of 8.1.

Which software is affected by CVE-2020-1912 vulnerability?

Facebook Hermes versions up to and including 0.4.3 are affected by CVE-2020-1912 vulnerability.

How can I fix the CVE-2020-1912 vulnerability?

To fix the CVE-2020-1912 vulnerability, update Facebook Hermes to a version later than 0.4.3.

Where can I find more information about the CVE-2020-1912 vulnerability?

You can find more information about the CVE-2020-1912 vulnerability on the official GitHub commit (https://github.com/facebook/hermes/commit/091835377369c8fd5917d9b87acffa721ad2a168) and the Facebook Security Advisories (https://www.facebook.com/security/advisories/cve-2020-1912).

Vulnerability/
CVE-2020-1912

high

8.1

CWE

125 787

9/9/2020

15/9/2020

CVE-2020-1912

First published: Wed Sep 09 2020(Updated: )

An out-of-bounds read/write vulnerability when executing lazily compiled inner generator functions in Facebook Hermes prior to commit 091835377369c8fd5917d9b87acffa721ad2a168 allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.

Credit: cve-assign@fb.com

Affected Software	Affected Version	How to fix
Facebook Hermes	<=0.4.3

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Frequently Asked Questions

What is CVE-2020-1912 vulnerability?
CVE-2020-1912 is an out-of-bounds read/write vulnerability in Facebook Hermes that allows attackers to potentially execute arbitrary code via crafted JavaScript.
How severe is the CVE-2020-1912 vulnerability?
The severity of CVE-2020-1912 vulnerability is high with a severity value of 8.1.
Which software is affected by CVE-2020-1912 vulnerability?
Facebook Hermes versions up to and including 0.4.3 are affected by CVE-2020-1912 vulnerability.
How can I fix the CVE-2020-1912 vulnerability?
To fix the CVE-2020-1912 vulnerability, update Facebook Hermes to a version later than 0.4.3.
Where can I find more information about the CVE-2020-1912 vulnerability?
You can find more information about the CVE-2020-1912 vulnerability on the official GitHub commit (https://github.com/facebook/hermes/commit/091835377369c8fd5917d9b87acffa721ad2a168) and the Facebook Security Advisories (https://www.facebook.com/security/advisories/cve-2020-1912).

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vendor/facebook
canonical/facebook hermes
version/facebook hermes/0.4.3

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