CVE-2021-24045
Critical
Description
A type confusion vulnerability could be triggered when resolving the "typeof" unary operator in Facebook Hermes prior to v0.10.0. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Facebook Hermes
PublishedDec 13, 2021
First seenDec 13, 2021
Weakness typeCWE-843CWE-843
How to fix
Update
- facebook hermes0.10.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| facebook hermes | v < 0.10.0 | 0.10.0 |
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