CVE-2022-32234

Description

An out of bounds write in hermes, while handling large arrays, prior to commit 06eaec767e376bfdb883d912cb15e987ddf2bda1 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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.33%
Vendor Advisory facebook.com
Affected: Facebook Hermes
Published at:
Updated at:

References

Link Tags
https://github.com/facebook/hermes/commit/06eaec767e376bfdb883d912cb15e987ddf2bda1 third party advisory patch
https://www.facebook.com/security/advisories/CVE-2022-32234 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-32234?
CVE-2022-32234 has been scored as a critical severity vulnerability.
How to fix CVE-2022-32234?
To fix CVE-2022-32234, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-32234 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-32234 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-32234?
CVE-2022-32234 affects Facebook Hermes.
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